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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<!-- Generated by HsColour, http://code.haskell.org/~malcolm/hscolour/ -->
<title>src/Servant/Server/Internal.hs</title>
<link type='text/css' rel='stylesheet' href='hscolour.css' />
</head>
<body>
<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE CPP                        #-}</span>
<a name="line-2"></a><span class='hs-comment'>{-# LANGUAGE ConstraintKinds            #-}</span>
<a name="line-3"></a><span class='hs-comment'>{-# LANGUAGE DataKinds                  #-}</span>
<a name="line-4"></a><span class='hs-comment'>{-# LANGUAGE FlexibleContexts           #-}</span>
<a name="line-5"></a><span class='hs-comment'>{-# LANGUAGE FlexibleInstances          #-}</span>
<a name="line-6"></a><span class='hs-comment'>{-# LANGUAGE GeneralizedNewtypeDeriving #-}</span>
<a name="line-7"></a><span class='hs-comment'>{-# LANGUAGE MultiParamTypeClasses      #-}</span>
<a name="line-8"></a><span class='hs-comment'>{-# LANGUAGE OverloadedStrings          #-}</span>
<a name="line-9"></a><span class='hs-comment'>{-# LANGUAGE PolyKinds                  #-}</span>
<a name="line-10"></a><span class='hs-comment'>{-# LANGUAGE ScopedTypeVariables        #-}</span>
<a name="line-11"></a><span class='hs-comment'>{-# LANGUAGE TypeFamilies               #-}</span>
<a name="line-12"></a><span class='hs-comment'>{-# LANGUAGE TypeOperators              #-}</span>
<a name="line-13"></a>
<a name="line-14"></a><span class='hs-cpp'>#include "overlapping-compat.h"</span>
<a name="line-15"></a>
<a name="line-16"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Servant</span><span class='hs-varop'>.</span><span class='hs-conid'>Server</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span>
<a name="line-17"></a>  <span class='hs-layout'>(</span> <span class='hs-keyword'>module</span> <span class='hs-conid'>Servant</span><span class='hs-varop'>.</span><span class='hs-conid'>Server</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span>
<a name="line-18"></a>  <span class='hs-layout'>,</span> <span class='hs-keyword'>module</span> <span class='hs-conid'>Servant</span><span class='hs-varop'>.</span><span class='hs-conid'>Server</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span><span class='hs-varop'>.</span><span class='hs-conid'>Context</span>
<a name="line-19"></a>  <span class='hs-layout'>,</span> <span class='hs-keyword'>module</span> <span class='hs-conid'>Servant</span><span class='hs-varop'>.</span><span class='hs-conid'>Server</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span><span class='hs-varop'>.</span><span class='hs-conid'>BasicAuth</span>
<a name="line-20"></a>  <span class='hs-layout'>,</span> <span class='hs-keyword'>module</span> <span class='hs-conid'>Servant</span><span class='hs-varop'>.</span><span class='hs-conid'>Server</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span><span class='hs-varop'>.</span><span class='hs-conid'>Router</span>
<a name="line-21"></a>  <span class='hs-layout'>,</span> <span class='hs-keyword'>module</span> <span class='hs-conid'>Servant</span><span class='hs-varop'>.</span><span class='hs-conid'>Server</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span><span class='hs-varop'>.</span><span class='hs-conid'>RoutingApplication</span>
<a name="line-22"></a>  <span class='hs-layout'>,</span> <span class='hs-keyword'>module</span> <span class='hs-conid'>Servant</span><span class='hs-varop'>.</span><span class='hs-conid'>Server</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span><span class='hs-varop'>.</span><span class='hs-conid'>ServantErr</span>
<a name="line-23"></a>  <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-24"></a>
<a name="line-25"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>Trans</span>        <span class='hs-layout'>(</span><span class='hs-varid'>liftIO</span><span class='hs-layout'>)</span>
<a name="line-26"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>            <span class='hs-keyword'>as</span> <span class='hs-conid'>B</span>
<a name="line-27"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Char8</span>      <span class='hs-keyword'>as</span> <span class='hs-conid'>BC8</span>
<a name="line-28"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Lazy</span>       <span class='hs-keyword'>as</span> <span class='hs-conid'>BL</span>
<a name="line-29"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Maybe</span>                 <span class='hs-layout'>(</span><span class='hs-varid'>fromMaybe</span><span class='hs-layout'>,</span> <span class='hs-varid'>mapMaybe</span><span class='hs-layout'>)</span>
<a name="line-30"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>String</span>                <span class='hs-layout'>(</span><span class='hs-varid'>fromString</span><span class='hs-layout'>)</span>
<a name="line-31"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>String</span><span class='hs-varop'>.</span><span class='hs-conid'>Conversions</span>    <span class='hs-layout'>(</span><span class='hs-varid'>cs</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'>&lt;&gt;</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-32"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Typeable</span>
<a name="line-33"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>GHC</span><span class='hs-varop'>.</span><span class='hs-conid'>TypeLits</span>               <span class='hs-layout'>(</span><span class='hs-conid'>KnownNat</span><span class='hs-layout'>,</span> <span class='hs-conid'>KnownSymbol</span><span class='hs-layout'>,</span> <span class='hs-varid'>natVal</span><span class='hs-layout'>,</span>
<a name="line-34"></a>                                             <span class='hs-varid'>symbolVal</span><span class='hs-layout'>)</span>
<a name="line-35"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Network</span><span class='hs-varop'>.</span><span class='hs-conid'>HTTP</span><span class='hs-varop'>.</span><span class='hs-conid'>Types</span>         <span class='hs-varid'>hiding</span> <span class='hs-layout'>(</span><span class='hs-conid'>Header</span><span class='hs-layout'>,</span> <span class='hs-conid'>ResponseHeaders</span><span class='hs-layout'>)</span>
<a name="line-36"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Network</span><span class='hs-varop'>.</span><span class='hs-conid'>Socket</span>             <span class='hs-layout'>(</span><span class='hs-conid'>SockAddr</span><span class='hs-layout'>)</span>
<a name="line-37"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Network</span><span class='hs-varop'>.</span><span class='hs-conid'>Wai</span>                <span class='hs-layout'>(</span><span class='hs-conid'>Application</span><span class='hs-layout'>,</span> <span class='hs-conid'>Request</span><span class='hs-layout'>,</span> <span class='hs-conid'>Response</span><span class='hs-layout'>,</span>
<a name="line-38"></a>                                             <span class='hs-varid'>httpVersion</span><span class='hs-layout'>,</span> <span class='hs-varid'>isSecure</span><span class='hs-layout'>,</span>
<a name="line-39"></a>                                             <span class='hs-varid'>lazyRequestBody</span><span class='hs-layout'>,</span>
<a name="line-40"></a>                                             <span class='hs-varid'>rawQueryString</span><span class='hs-layout'>,</span> <span class='hs-varid'>remoteHost</span><span class='hs-layout'>,</span>
<a name="line-41"></a>                                             <span class='hs-varid'>requestHeaders</span><span class='hs-layout'>,</span> <span class='hs-varid'>requestMethod</span><span class='hs-layout'>,</span>
<a name="line-42"></a>                                             <span class='hs-varid'>responseLBS</span><span class='hs-layout'>,</span> <span class='hs-varid'>vault</span><span class='hs-layout'>)</span>
<a name="line-43"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Prelude</span>                    <span class='hs-conid'>()</span>
<a name="line-44"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Prelude</span><span class='hs-varop'>.</span><span class='hs-conid'>Compat</span>
<a name="line-45"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Web</span><span class='hs-varop'>.</span><span class='hs-conid'>HttpApiData</span>            <span class='hs-layout'>(</span><span class='hs-conid'>FromHttpApiData</span><span class='hs-layout'>)</span>
<a name="line-46"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Web</span><span class='hs-varop'>.</span><span class='hs-conid'>HttpApiData</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span>   <span class='hs-layout'>(</span><span class='hs-varid'>parseHeaderMaybe</span><span class='hs-layout'>,</span>
<a name="line-47"></a>                                             <span class='hs-varid'>parseQueryParamMaybe</span><span class='hs-layout'>,</span>
<a name="line-48"></a>                                             <span class='hs-varid'>parseUrlPieceMaybe</span><span class='hs-layout'>,</span>
<a name="line-49"></a>                                             <span class='hs-varid'>parseUrlPieces</span><span class='hs-layout'>)</span>
<a name="line-50"></a>
<a name="line-51"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Servant</span><span class='hs-varop'>.</span><span class='hs-conid'>API</span>                 <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-conop'>:&lt;|&gt;</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-conop'>:&gt;</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>BasicAuth</span><span class='hs-layout'>,</span> <span class='hs-conid'>Capture</span><span class='hs-layout'>,</span>
<a name="line-52"></a>                                              <span class='hs-conid'>CaptureAll</span><span class='hs-layout'>,</span> <span class='hs-conid'>Verb</span><span class='hs-layout'>,</span>
<a name="line-53"></a>                                              <span class='hs-conid'>ReflectMethod</span><span class='hs-layout'>(</span><span class='hs-varid'>reflectMethod</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-54"></a>                                              <span class='hs-conid'>IsSecure</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>Header</span><span class='hs-layout'>,</span> <span class='hs-conid'>QueryFlag</span><span class='hs-layout'>,</span>
<a name="line-55"></a>                                              <span class='hs-conid'>QueryParam</span><span class='hs-layout'>,</span> <span class='hs-conid'>QueryParams</span><span class='hs-layout'>,</span> <span class='hs-conid'>Raw</span><span class='hs-layout'>,</span>
<a name="line-56"></a>                                              <span class='hs-conid'>RemoteHost</span><span class='hs-layout'>,</span> <span class='hs-conid'>ReqBody</span><span class='hs-layout'>,</span> <span class='hs-conid'>Vault</span><span class='hs-layout'>,</span>
<a name="line-57"></a>                                              <span class='hs-conid'>WithNamedContext</span><span class='hs-layout'>)</span>
<a name="line-58"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Servant</span><span class='hs-varop'>.</span><span class='hs-conid'>API</span><span class='hs-varop'>.</span><span class='hs-conid'>ContentTypes</span>    <span class='hs-layout'>(</span><span class='hs-conid'>AcceptHeader</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-59"></a>                                              <span class='hs-conid'>AllCTRender</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-60"></a>                                              <span class='hs-conid'>AllCTUnrender</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span>
<a name="line-61"></a>                                              <span class='hs-conid'>AllMime</span><span class='hs-layout'>,</span>
<a name="line-62"></a>                                              <span class='hs-varid'>canHandleAcceptH</span><span class='hs-layout'>)</span>
<a name="line-63"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Servant</span><span class='hs-varop'>.</span><span class='hs-conid'>API</span><span class='hs-varop'>.</span><span class='hs-conid'>ResponseHeaders</span> <span class='hs-layout'>(</span><span class='hs-conid'>GetHeaders</span><span class='hs-layout'>,</span> <span class='hs-conid'>Headers</span><span class='hs-layout'>,</span> <span class='hs-varid'>getHeaders</span><span class='hs-layout'>,</span>
<a name="line-64"></a>                                              <span class='hs-varid'>getResponse</span><span class='hs-layout'>)</span>
<a name="line-65"></a>
<a name="line-66"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Servant</span><span class='hs-varop'>.</span><span class='hs-conid'>Server</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span><span class='hs-varop'>.</span><span class='hs-conid'>Context</span>
<a name="line-67"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Servant</span><span class='hs-varop'>.</span><span class='hs-conid'>Server</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span><span class='hs-varop'>.</span><span class='hs-conid'>BasicAuth</span>
<a name="line-68"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Servant</span><span class='hs-varop'>.</span><span class='hs-conid'>Server</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span><span class='hs-varop'>.</span><span class='hs-conid'>Router</span>
<a name="line-69"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Servant</span><span class='hs-varop'>.</span><span class='hs-conid'>Server</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span><span class='hs-varop'>.</span><span class='hs-conid'>RoutingApplication</span>
<a name="line-70"></a><span class='hs-keyword'>import</span>           <span class='hs-conid'>Servant</span><span class='hs-varop'>.</span><span class='hs-conid'>Server</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span><span class='hs-varop'>.</span><span class='hs-conid'>ServantErr</span>
<a name="line-71"></a>
<a name="line-72"></a>
<a name="line-73"></a><a name="HasServer"></a><span class='hs-keyword'>class</span> <span class='hs-conid'>HasServer</span> <span class='hs-varid'>api</span> <span class='hs-varid'>context</span> <span class='hs-keyword'>where</span>
<a name="line-74"></a>  <span class='hs-keyword'>type</span> <span class='hs-conid'>ServerT</span> <span class='hs-varid'>api</span> <span class='hs-layout'>(</span><span class='hs-varid'>m</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>*</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varop'>*</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>::</span> <span class='hs-varop'>*</span>
<a name="line-75"></a>
<a name="line-76"></a>  <span class='hs-varid'>route</span> <span class='hs-keyglyph'>::</span>
<a name="line-77"></a>       <span class='hs-conid'>Proxy</span> <span class='hs-varid'>api</span>
<a name="line-78"></a>    <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Context</span> <span class='hs-varid'>context</span>
<a name="line-79"></a>    <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Delayed</span> <span class='hs-varid'>env</span> <span class='hs-layout'>(</span><span class='hs-conid'>Server</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span>
<a name="line-80"></a>    <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Router</span> <span class='hs-varid'>env</span>
<a name="line-81"></a>
<a name="line-82"></a><a name="Server"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>Server</span> <span class='hs-varid'>api</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ServerT</span> <span class='hs-varid'>api</span> <span class='hs-conid'>Handler</span>
<a name="line-83"></a>
<a name="line-84"></a><span class='hs-comment'>-- * Instances</span>
<a name="line-85"></a>
<a name="line-86"></a><a name="instance%20HasServer%20(a%20:%3c%7c%3e%20b)%20context"></a><span class='hs-comment'>-- | A server for @a ':&lt;|&gt;' b@ first tries to match the request against the route</span>
<a name="line-87"></a><a name="instance%20HasServer%20(a%20:%3c%7c%3e%20b)%20context"></a><span class='hs-comment'>--   represented by @a@ and if it fails tries @b@. You must provide a request</span>
<a name="line-88"></a><a name="instance%20HasServer%20(a%20:%3c%7c%3e%20b)%20context"></a><span class='hs-comment'>--   handler for each route.</span>
<a name="line-89"></a><a name="instance%20HasServer%20(a%20:%3c%7c%3e%20b)%20context"></a><span class='hs-comment'>--</span>
<a name="line-90"></a><a name="instance%20HasServer%20(a%20:%3c%7c%3e%20b)%20context"></a><span class='hs-comment'>-- &gt; type MyApi = "books" :&gt; Get '[JSON] [Book] -- GET /books</span>
<a name="line-91"></a><a name="instance%20HasServer%20(a%20:%3c%7c%3e%20b)%20context"></a><span class='hs-comment'>-- &gt;         :&lt;|&gt; "books" :&gt; ReqBody Book :&gt; Post '[JSON] Book -- POST /books</span>
<a name="line-92"></a><a name="instance%20HasServer%20(a%20:%3c%7c%3e%20b)%20context"></a><span class='hs-comment'>-- &gt;</span>
<a name="line-93"></a><a name="instance%20HasServer%20(a%20:%3c%7c%3e%20b)%20context"></a><span class='hs-comment'>-- &gt; server :: Server MyApi</span>
<a name="line-94"></a><a name="instance%20HasServer%20(a%20:%3c%7c%3e%20b)%20context"></a><span class='hs-comment'>-- &gt; server = listAllBooks :&lt;|&gt; postBook</span>
<a name="line-95"></a><a name="instance%20HasServer%20(a%20:%3c%7c%3e%20b)%20context"></a><span class='hs-comment'>-- &gt;   where listAllBooks = ...</span>
<a name="line-96"></a><a name="instance%20HasServer%20(a%20:%3c%7c%3e%20b)%20context"></a><span class='hs-comment'>-- &gt;         postBook book = ...</span>
<a name="line-97"></a><a name="instance%20HasServer%20(a%20:%3c%7c%3e%20b)%20context"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>HasServer</span> <span class='hs-varid'>a</span> <span class='hs-varid'>context</span><span class='hs-layout'>,</span> <span class='hs-conid'>HasServer</span> <span class='hs-varid'>b</span> <span class='hs-varid'>context</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>HasServer</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-conop'>:&lt;|&gt;</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-keyword'>where</span>
<a name="line-98"></a>
<a name="line-99"></a>  <span class='hs-keyword'>type</span> <span class='hs-conid'>ServerT</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-conop'>:&lt;|&gt;</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ServerT</span> <span class='hs-varid'>a</span> <span class='hs-varid'>m</span> <span class='hs-conop'>:&lt;|&gt;</span> <span class='hs-conid'>ServerT</span> <span class='hs-varid'>b</span> <span class='hs-varid'>m</span>
<a name="line-100"></a>
<a name="line-101"></a>  <span class='hs-varid'>route</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>context</span> <span class='hs-varid'>server</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>choice</span> <span class='hs-layout'>(</span><span class='hs-varid'>route</span> <span class='hs-varid'>pa</span> <span class='hs-varid'>context</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-conop'>:&lt;|&gt;</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-varop'>&lt;$&gt;</span> <span class='hs-varid'>server</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-102"></a>                                      <span class='hs-layout'>(</span><span class='hs-varid'>route</span> <span class='hs-varid'>pb</span> <span class='hs-varid'>context</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span> <span class='hs-conop'>:&lt;|&gt;</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-varop'>&lt;$&gt;</span> <span class='hs-varid'>server</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-103"></a>    <span class='hs-keyword'>where</span> <span class='hs-varid'>pa</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>a</span>
<a name="line-104"></a>          <span class='hs-varid'>pb</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>b</span>
<a name="line-105"></a>
<a name="line-106"></a><a name="instance%20HasServer%20(Capture%20capture%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- | If you use 'Capture' in one of the endpoints for your API,</span>
<a name="line-107"></a><a name="instance%20HasServer%20(Capture%20capture%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- this automatically requires your server-side handler to be a function</span>
<a name="line-108"></a><a name="instance%20HasServer%20(Capture%20capture%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- that takes an argument of the type specified by the 'Capture'.</span>
<a name="line-109"></a><a name="instance%20HasServer%20(Capture%20capture%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- This lets servant worry about getting it from the URL and turning</span>
<a name="line-110"></a><a name="instance%20HasServer%20(Capture%20capture%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- it into a value of the type you specify.</span>
<a name="line-111"></a><a name="instance%20HasServer%20(Capture%20capture%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>--</span>
<a name="line-112"></a><a name="instance%20HasServer%20(Capture%20capture%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- You can control how it'll be converted from 'Text' to your type</span>
<a name="line-113"></a><a name="instance%20HasServer%20(Capture%20capture%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- by simply providing an instance of 'FromHttpApiData' for your type.</span>
<a name="line-114"></a><a name="instance%20HasServer%20(Capture%20capture%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>--</span>
<a name="line-115"></a><a name="instance%20HasServer%20(Capture%20capture%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- Example:</span>
<a name="line-116"></a><a name="instance%20HasServer%20(Capture%20capture%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>--</span>
<a name="line-117"></a><a name="instance%20HasServer%20(Capture%20capture%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt; type MyApi = "books" :&gt; Capture "isbn" Text :&gt; Get '[JSON] Book</span>
<a name="line-118"></a><a name="instance%20HasServer%20(Capture%20capture%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;</span>
<a name="line-119"></a><a name="instance%20HasServer%20(Capture%20capture%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt; server :: Server MyApi</span>
<a name="line-120"></a><a name="instance%20HasServer%20(Capture%20capture%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt; server = getBook</span>
<a name="line-121"></a><a name="instance%20HasServer%20(Capture%20capture%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;   where getBook :: Text -&gt; Handler Book</span>
<a name="line-122"></a><a name="instance%20HasServer%20(Capture%20capture%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;         getBook isbn = ...</span>
<a name="line-123"></a><a name="instance%20HasServer%20(Capture%20capture%20a%20:%3e%20api)%20context"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>KnownSymbol</span> <span class='hs-varid'>capture</span><span class='hs-layout'>,</span> <span class='hs-conid'>FromHttpApiData</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>HasServer</span> <span class='hs-varid'>api</span> <span class='hs-varid'>context</span><span class='hs-layout'>)</span>
<a name="line-124"></a>      <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>HasServer</span> <span class='hs-layout'>(</span><span class='hs-conid'>Capture</span> <span class='hs-varid'>capture</span> <span class='hs-varid'>a</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-keyword'>where</span>
<a name="line-125"></a>
<a name="line-126"></a>  <span class='hs-keyword'>type</span> <span class='hs-conid'>ServerT</span> <span class='hs-layout'>(</span><span class='hs-conid'>Capture</span> <span class='hs-varid'>capture</span> <span class='hs-varid'>a</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span>
<a name="line-127"></a>     <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>ServerT</span> <span class='hs-varid'>api</span> <span class='hs-varid'>m</span>
<a name="line-128"></a>
<a name="line-129"></a>  <span class='hs-varid'>route</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>context</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span>
<a name="line-130"></a>    <span class='hs-conid'>CaptureRouter</span> <span class='hs-varop'>$</span>
<a name="line-131"></a>        <span class='hs-varid'>route</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span>
<a name="line-132"></a>              <span class='hs-varid'>context</span>
<a name="line-133"></a>              <span class='hs-layout'>(</span><span class='hs-varid'>addCapture</span> <span class='hs-varid'>d</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span> <span class='hs-varid'>txt</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>parseUrlPieceMaybe</span> <span class='hs-varid'>txt</span> <span class='hs-keyword'>of</span>
<a name="line-134"></a>                 <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>delayedFail</span> <span class='hs-varid'>err400</span>
<a name="line-135"></a>                 <span class='hs-conid'>Just</span> <span class='hs-varid'>v</span>  <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>return</span> <span class='hs-varid'>v</span>
<a name="line-136"></a>              <span class='hs-layout'>)</span>
<a name="line-137"></a>
<a name="line-138"></a><a name="instance%20HasServer%20(CaptureAll%20capture%20a%20:%3e%20sublayout)%20context"></a><span class='hs-comment'>-- | If you use 'CaptureAll' in one of the endpoints for your API,</span>
<a name="line-139"></a><a name="instance%20HasServer%20(CaptureAll%20capture%20a%20:%3e%20sublayout)%20context"></a><span class='hs-comment'>-- this automatically requires your server-side handler to be a</span>
<a name="line-140"></a><a name="instance%20HasServer%20(CaptureAll%20capture%20a%20:%3e%20sublayout)%20context"></a><span class='hs-comment'>-- function that takes an argument of a list of the type specified by</span>
<a name="line-141"></a><a name="instance%20HasServer%20(CaptureAll%20capture%20a%20:%3e%20sublayout)%20context"></a><span class='hs-comment'>-- the 'CaptureAll'. This lets servant worry about getting values from</span>
<a name="line-142"></a><a name="instance%20HasServer%20(CaptureAll%20capture%20a%20:%3e%20sublayout)%20context"></a><span class='hs-comment'>-- the URL and turning them into values of the type you specify.</span>
<a name="line-143"></a><a name="instance%20HasServer%20(CaptureAll%20capture%20a%20:%3e%20sublayout)%20context"></a><span class='hs-comment'>--</span>
<a name="line-144"></a><a name="instance%20HasServer%20(CaptureAll%20capture%20a%20:%3e%20sublayout)%20context"></a><span class='hs-comment'>-- You can control how they'll be converted from 'Text' to your type</span>
<a name="line-145"></a><a name="instance%20HasServer%20(CaptureAll%20capture%20a%20:%3e%20sublayout)%20context"></a><span class='hs-comment'>-- by simply providing an instance of 'FromHttpApiData' for your type.</span>
<a name="line-146"></a><a name="instance%20HasServer%20(CaptureAll%20capture%20a%20:%3e%20sublayout)%20context"></a><span class='hs-comment'>--</span>
<a name="line-147"></a><a name="instance%20HasServer%20(CaptureAll%20capture%20a%20:%3e%20sublayout)%20context"></a><span class='hs-comment'>-- Example:</span>
<a name="line-148"></a><a name="instance%20HasServer%20(CaptureAll%20capture%20a%20:%3e%20sublayout)%20context"></a><span class='hs-comment'>--</span>
<a name="line-149"></a><a name="instance%20HasServer%20(CaptureAll%20capture%20a%20:%3e%20sublayout)%20context"></a><span class='hs-comment'>-- &gt; type MyApi = "src" :&gt; CaptureAll "segments" Text :&gt; Get '[JSON] SourceFile</span>
<a name="line-150"></a><a name="instance%20HasServer%20(CaptureAll%20capture%20a%20:%3e%20sublayout)%20context"></a><span class='hs-comment'>-- &gt;</span>
<a name="line-151"></a><a name="instance%20HasServer%20(CaptureAll%20capture%20a%20:%3e%20sublayout)%20context"></a><span class='hs-comment'>-- &gt; server :: Server MyApi</span>
<a name="line-152"></a><a name="instance%20HasServer%20(CaptureAll%20capture%20a%20:%3e%20sublayout)%20context"></a><span class='hs-comment'>-- &gt; server = getSourceFile</span>
<a name="line-153"></a><a name="instance%20HasServer%20(CaptureAll%20capture%20a%20:%3e%20sublayout)%20context"></a><span class='hs-comment'>-- &gt;   where getSourceFile :: [Text] -&gt; Handler Book</span>
<a name="line-154"></a><a name="instance%20HasServer%20(CaptureAll%20capture%20a%20:%3e%20sublayout)%20context"></a><span class='hs-comment'>-- &gt;         getSourceFile pathSegments = ...</span>
<a name="line-155"></a><a name="instance%20HasServer%20(CaptureAll%20capture%20a%20:%3e%20sublayout)%20context"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>KnownSymbol</span> <span class='hs-varid'>capture</span><span class='hs-layout'>,</span> <span class='hs-conid'>FromHttpApiData</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>HasServer</span> <span class='hs-varid'>sublayout</span> <span class='hs-varid'>context</span><span class='hs-layout'>)</span>
<a name="line-156"></a>      <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>HasServer</span> <span class='hs-layout'>(</span><span class='hs-conid'>CaptureAll</span> <span class='hs-varid'>capture</span> <span class='hs-varid'>a</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>sublayout</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-keyword'>where</span>
<a name="line-157"></a>
<a name="line-158"></a>  <span class='hs-keyword'>type</span> <span class='hs-conid'>ServerT</span> <span class='hs-layout'>(</span><span class='hs-conid'>CaptureAll</span> <span class='hs-varid'>capture</span> <span class='hs-varid'>a</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>sublayout</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span>
<a name="line-159"></a>    <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>ServerT</span> <span class='hs-varid'>sublayout</span> <span class='hs-varid'>m</span>
<a name="line-160"></a>
<a name="line-161"></a>  <span class='hs-varid'>route</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>context</span> <span class='hs-varid'>d</span> <span class='hs-keyglyph'>=</span>
<a name="line-162"></a>    <span class='hs-conid'>CaptureAllRouter</span> <span class='hs-varop'>$</span>
<a name="line-163"></a>        <span class='hs-varid'>route</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>sublayout</span><span class='hs-layout'>)</span>
<a name="line-164"></a>              <span class='hs-varid'>context</span>
<a name="line-165"></a>              <span class='hs-layout'>(</span><span class='hs-varid'>addCapture</span> <span class='hs-varid'>d</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span> <span class='hs-varid'>txts</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>parseUrlPieces</span> <span class='hs-varid'>txts</span> <span class='hs-keyword'>of</span>
<a name="line-166"></a>                 <span class='hs-conid'>Left</span> <span class='hs-keyword'>_</span>  <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>delayedFail</span> <span class='hs-varid'>err400</span>
<a name="line-167"></a>                 <span class='hs-conid'>Right</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>return</span> <span class='hs-varid'>v</span>
<a name="line-168"></a>              <span class='hs-layout'>)</span>
<a name="line-169"></a>
<a name="line-170"></a>
<a name="line-171"></a><a name="allowedMethodHead"></a><span class='hs-definition'>allowedMethodHead</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Method</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Request</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Bool</span>
<a name="line-172"></a><span class='hs-definition'>allowedMethodHead</span> <span class='hs-varid'>method</span> <span class='hs-varid'>request</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>method</span> <span class='hs-varop'>==</span> <span class='hs-varid'>methodGet</span> <span class='hs-varop'>&amp;&amp;</span> <span class='hs-varid'>requestMethod</span> <span class='hs-varid'>request</span> <span class='hs-varop'>==</span> <span class='hs-varid'>methodHead</span>
<a name="line-173"></a>
<a name="line-174"></a><a name="allowedMethod"></a><span class='hs-definition'>allowedMethod</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Method</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Request</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Bool</span>
<a name="line-175"></a><span class='hs-definition'>allowedMethod</span> <span class='hs-varid'>method</span> <span class='hs-varid'>request</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>allowedMethodHead</span> <span class='hs-varid'>method</span> <span class='hs-varid'>request</span> <span class='hs-varop'>||</span> <span class='hs-varid'>requestMethod</span> <span class='hs-varid'>request</span> <span class='hs-varop'>==</span> <span class='hs-varid'>method</span>
<a name="line-176"></a>
<a name="line-177"></a><a name="processMethodRouter"></a><span class='hs-definition'>processMethodRouter</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-layout'>,</span> <span class='hs-conid'>BL</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Status</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Method</span>
<a name="line-178"></a>                    <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Maybe</span> <span class='hs-keyglyph'>[</span><span class='hs-layout'>(</span><span class='hs-conid'>HeaderName</span><span class='hs-layout'>,</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-layout'>)</span><span class='hs-keyglyph'>]</span>
<a name="line-179"></a>                    <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Request</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>RouteResult</span> <span class='hs-conid'>Response</span>
<a name="line-180"></a><span class='hs-definition'>processMethodRouter</span> <span class='hs-varid'>handleA</span> <span class='hs-varid'>status</span> <span class='hs-varid'>method</span> <span class='hs-varid'>headers</span> <span class='hs-varid'>request</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>handleA</span> <span class='hs-keyword'>of</span>
<a name="line-181"></a>  <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>FailFatal</span> <span class='hs-varid'>err406</span> <span class='hs-comment'>-- this should not happen (checked before), so we make it fatal if it does</span>
<a name="line-182"></a>  <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>contentT</span><span class='hs-layout'>,</span> <span class='hs-varid'>body</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Route</span> <span class='hs-varop'>$</span> <span class='hs-varid'>responseLBS</span> <span class='hs-varid'>status</span> <span class='hs-varid'>hdrs</span> <span class='hs-varid'>bdy</span>
<a name="line-183"></a>    <span class='hs-keyword'>where</span>
<a name="line-184"></a>      <span class='hs-varid'>bdy</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>allowedMethodHead</span> <span class='hs-varid'>method</span> <span class='hs-varid'>request</span> <span class='hs-keyword'>then</span> <span class='hs-str'>""</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>body</span>
<a name="line-185"></a>      <span class='hs-varid'>hdrs</span> <span class='hs-keyglyph'>=</span> <span class='hs-layout'>(</span><span class='hs-varid'>hContentType</span><span class='hs-layout'>,</span> <span class='hs-varid'>cs</span> <span class='hs-varid'>contentT</span><span class='hs-layout'>)</span> <span class='hs-conop'>:</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromMaybe</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>headers</span><span class='hs-layout'>)</span>
<a name="line-186"></a>
<a name="line-187"></a><a name="methodCheck"></a><span class='hs-definition'>methodCheck</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Method</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Request</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>DelayedIO</span> <span class='hs-conid'>()</span>
<a name="line-188"></a><span class='hs-definition'>methodCheck</span> <span class='hs-varid'>method</span> <span class='hs-varid'>request</span>
<a name="line-189"></a>  <span class='hs-keyglyph'>|</span> <span class='hs-varid'>allowedMethod</span> <span class='hs-varid'>method</span> <span class='hs-varid'>request</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-190"></a>  <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span>                    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>delayedFail</span> <span class='hs-varid'>err405</span>
<a name="line-191"></a>
<a name="line-192"></a><a name="acceptCheck"></a><span class='hs-comment'>-- This has switched between using 'Fail' and 'FailFatal' a number of</span>
<a name="line-193"></a><span class='hs-comment'>-- times. If the 'acceptCheck' is run after the body check (which would</span>
<a name="line-194"></a><span class='hs-comment'>-- be morally right), then we have to set this to 'FailFatal', because</span>
<a name="line-195"></a><span class='hs-comment'>-- the body check is not reversible, and therefore backtracking after the</span>
<a name="line-196"></a><span class='hs-comment'>-- body check is no longer an option. However, we now run the accept</span>
<a name="line-197"></a><span class='hs-comment'>-- check before the body check and can therefore afford to make it</span>
<a name="line-198"></a><span class='hs-comment'>-- recoverable.</span>
<a name="line-199"></a><span class='hs-definition'>acceptCheck</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>AllMime</span> <span class='hs-varid'>list</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>list</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>DelayedIO</span> <span class='hs-conid'>()</span>
<a name="line-200"></a><span class='hs-definition'>acceptCheck</span> <span class='hs-varid'>proxy</span> <span class='hs-varid'>accH</span>
<a name="line-201"></a>  <span class='hs-keyglyph'>|</span> <span class='hs-varid'>canHandleAcceptH</span> <span class='hs-varid'>proxy</span> <span class='hs-layout'>(</span><span class='hs-conid'>AcceptHeader</span> <span class='hs-varid'>accH</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-202"></a>  <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span>                                  <span class='hs-keyglyph'>=</span> <span class='hs-varid'>delayedFail</span> <span class='hs-varid'>err406</span>
<a name="line-203"></a>
<a name="line-204"></a><a name="methodRouter"></a><span class='hs-definition'>methodRouter</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>AllCTRender</span> <span class='hs-varid'>ctypes</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-205"></a>             <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Method</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>ctypes</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Status</span>
<a name="line-206"></a>             <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Delayed</span> <span class='hs-varid'>env</span> <span class='hs-layout'>(</span><span class='hs-conid'>Handler</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-207"></a>             <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Router</span> <span class='hs-varid'>env</span>
<a name="line-208"></a><span class='hs-definition'>methodRouter</span> <span class='hs-varid'>method</span> <span class='hs-varid'>proxy</span> <span class='hs-varid'>status</span> <span class='hs-varid'>action</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>leafRouter</span> <span class='hs-varid'>route'</span>
<a name="line-209"></a>  <span class='hs-keyword'>where</span>
<a name="line-210"></a>    <span class='hs-varid'>route'</span> <span class='hs-varid'>env</span> <span class='hs-varid'>request</span> <span class='hs-varid'>respond</span> <span class='hs-keyglyph'>=</span>
<a name="line-211"></a>          <span class='hs-keyword'>let</span> <span class='hs-varid'>accH</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromMaybe</span> <span class='hs-varid'>ct_wildcard</span> <span class='hs-varop'>$</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>hAccept</span> <span class='hs-varop'>$</span> <span class='hs-varid'>requestHeaders</span> <span class='hs-varid'>request</span>
<a name="line-212"></a>          <span class='hs-keyword'>in</span> <span class='hs-varid'>runAction</span> <span class='hs-layout'>(</span><span class='hs-varid'>action</span> <span class='hs-varop'>`addMethodCheck`</span> <span class='hs-varid'>methodCheck</span> <span class='hs-varid'>method</span> <span class='hs-varid'>request</span>
<a name="line-213"></a>                               <span class='hs-varop'>`addAcceptCheck`</span> <span class='hs-varid'>acceptCheck</span> <span class='hs-varid'>proxy</span> <span class='hs-varid'>accH</span>
<a name="line-214"></a>                       <span class='hs-layout'>)</span> <span class='hs-varid'>env</span> <span class='hs-varid'>request</span> <span class='hs-varid'>respond</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span> <span class='hs-varid'>output</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-215"></a>               <span class='hs-keyword'>let</span> <span class='hs-varid'>handleA</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>handleAcceptH</span> <span class='hs-varid'>proxy</span> <span class='hs-layout'>(</span><span class='hs-conid'>AcceptHeader</span> <span class='hs-varid'>accH</span><span class='hs-layout'>)</span> <span class='hs-varid'>output</span>
<a name="line-216"></a>               <span class='hs-varid'>processMethodRouter</span> <span class='hs-varid'>handleA</span> <span class='hs-varid'>status</span> <span class='hs-varid'>method</span> <span class='hs-conid'>Nothing</span> <span class='hs-varid'>request</span>
<a name="line-217"></a>
<a name="line-218"></a><a name="methodRouterHeaders"></a><span class='hs-definition'>methodRouterHeaders</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>GetHeaders</span> <span class='hs-layout'>(</span><span class='hs-conid'>Headers</span> <span class='hs-varid'>h</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>AllCTRender</span> <span class='hs-varid'>ctypes</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span>
<a name="line-219"></a>                    <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>Method</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>ctypes</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Status</span>
<a name="line-220"></a>                    <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Delayed</span> <span class='hs-varid'>env</span> <span class='hs-layout'>(</span><span class='hs-conid'>Handler</span> <span class='hs-layout'>(</span><span class='hs-conid'>Headers</span> <span class='hs-varid'>h</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-221"></a>                    <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Router</span> <span class='hs-varid'>env</span>
<a name="line-222"></a><span class='hs-definition'>methodRouterHeaders</span> <span class='hs-varid'>method</span> <span class='hs-varid'>proxy</span> <span class='hs-varid'>status</span> <span class='hs-varid'>action</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>leafRouter</span> <span class='hs-varid'>route'</span>
<a name="line-223"></a>  <span class='hs-keyword'>where</span>
<a name="line-224"></a>    <span class='hs-varid'>route'</span> <span class='hs-varid'>env</span> <span class='hs-varid'>request</span> <span class='hs-varid'>respond</span> <span class='hs-keyglyph'>=</span>
<a name="line-225"></a>          <span class='hs-keyword'>let</span> <span class='hs-varid'>accH</span>    <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromMaybe</span> <span class='hs-varid'>ct_wildcard</span> <span class='hs-varop'>$</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>hAccept</span> <span class='hs-varop'>$</span> <span class='hs-varid'>requestHeaders</span> <span class='hs-varid'>request</span>
<a name="line-226"></a>          <span class='hs-keyword'>in</span> <span class='hs-varid'>runAction</span> <span class='hs-layout'>(</span><span class='hs-varid'>action</span> <span class='hs-varop'>`addMethodCheck`</span> <span class='hs-varid'>methodCheck</span> <span class='hs-varid'>method</span> <span class='hs-varid'>request</span>
<a name="line-227"></a>                               <span class='hs-varop'>`addAcceptCheck`</span> <span class='hs-varid'>acceptCheck</span> <span class='hs-varid'>proxy</span> <span class='hs-varid'>accH</span>
<a name="line-228"></a>                       <span class='hs-layout'>)</span> <span class='hs-varid'>env</span> <span class='hs-varid'>request</span> <span class='hs-varid'>respond</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span> <span class='hs-varid'>output</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-229"></a>                <span class='hs-keyword'>let</span> <span class='hs-varid'>headers</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getHeaders</span> <span class='hs-varid'>output</span>
<a name="line-230"></a>                    <span class='hs-varid'>handleA</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>handleAcceptH</span> <span class='hs-varid'>proxy</span> <span class='hs-layout'>(</span><span class='hs-conid'>AcceptHeader</span> <span class='hs-varid'>accH</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>getResponse</span> <span class='hs-varid'>output</span><span class='hs-layout'>)</span>
<a name="line-231"></a>                <span class='hs-varid'>processMethodRouter</span> <span class='hs-varid'>handleA</span> <span class='hs-varid'>status</span> <span class='hs-varid'>method</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>headers</span><span class='hs-layout'>)</span> <span class='hs-varid'>request</span>
<a name="line-232"></a>
<a name="line-233"></a><a name="instance%20HasServer%20(Verb%20method%20status%20ctypes%20a)%20context"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>OVERLAPPABLE_</span>
<a name="line-234"></a>         <span class='hs-layout'>(</span> <span class='hs-conid'>AllCTRender</span> <span class='hs-varid'>ctypes</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>ReflectMethod</span> <span class='hs-varid'>method</span><span class='hs-layout'>,</span> <span class='hs-conid'>KnownNat</span> <span class='hs-varid'>status</span>
<a name="line-235"></a>         <span class='hs-layout'>)</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>HasServer</span> <span class='hs-layout'>(</span><span class='hs-conid'>Verb</span> <span class='hs-varid'>method</span> <span class='hs-varid'>status</span> <span class='hs-varid'>ctypes</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-keyword'>where</span>
<a name="line-236"></a>
<a name="line-237"></a>  <span class='hs-keyword'>type</span> <span class='hs-conid'>ServerT</span> <span class='hs-layout'>(</span><span class='hs-conid'>Verb</span> <span class='hs-varid'>method</span> <span class='hs-varid'>status</span> <span class='hs-varid'>ctypes</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span>
<a name="line-238"></a>
<a name="line-239"></a>  <span class='hs-varid'>route</span> <span class='hs-conid'>Proxy</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>methodRouter</span> <span class='hs-varid'>method</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>ctypes</span><span class='hs-layout'>)</span> <span class='hs-varid'>status</span>
<a name="line-240"></a>    <span class='hs-keyword'>where</span> <span class='hs-varid'>method</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reflectMethod</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>method</span><span class='hs-layout'>)</span>
<a name="line-241"></a>          <span class='hs-varid'>status</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toEnum</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fromInteger</span> <span class='hs-varop'>$</span> <span class='hs-varid'>natVal</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>status</span><span class='hs-layout'>)</span>
<a name="line-242"></a>
<a name="line-243"></a><a name="instance%20HasServer%20(Verb%20method%20status%20ctypes%20(Headers%20h%20a))%20context"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>OVERLAPPING_</span>
<a name="line-244"></a>         <span class='hs-layout'>(</span> <span class='hs-conid'>AllCTRender</span> <span class='hs-varid'>ctypes</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>ReflectMethod</span> <span class='hs-varid'>method</span><span class='hs-layout'>,</span> <span class='hs-conid'>KnownNat</span> <span class='hs-varid'>status</span>
<a name="line-245"></a>         <span class='hs-layout'>,</span> <span class='hs-conid'>GetHeaders</span> <span class='hs-layout'>(</span><span class='hs-conid'>Headers</span> <span class='hs-varid'>h</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-246"></a>         <span class='hs-layout'>)</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>HasServer</span> <span class='hs-layout'>(</span><span class='hs-conid'>Verb</span> <span class='hs-varid'>method</span> <span class='hs-varid'>status</span> <span class='hs-varid'>ctypes</span> <span class='hs-layout'>(</span><span class='hs-conid'>Headers</span> <span class='hs-varid'>h</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-keyword'>where</span>
<a name="line-247"></a>
<a name="line-248"></a>  <span class='hs-keyword'>type</span> <span class='hs-conid'>ServerT</span> <span class='hs-layout'>(</span><span class='hs-conid'>Verb</span> <span class='hs-varid'>method</span> <span class='hs-varid'>status</span> <span class='hs-varid'>ctypes</span> <span class='hs-layout'>(</span><span class='hs-conid'>Headers</span> <span class='hs-varid'>h</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Headers</span> <span class='hs-varid'>h</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-249"></a>
<a name="line-250"></a>  <span class='hs-varid'>route</span> <span class='hs-conid'>Proxy</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>methodRouterHeaders</span> <span class='hs-varid'>method</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>ctypes</span><span class='hs-layout'>)</span> <span class='hs-varid'>status</span>
<a name="line-251"></a>    <span class='hs-keyword'>where</span> <span class='hs-varid'>method</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>reflectMethod</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>method</span><span class='hs-layout'>)</span>
<a name="line-252"></a>          <span class='hs-varid'>status</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>toEnum</span> <span class='hs-varop'>.</span> <span class='hs-varid'>fromInteger</span> <span class='hs-varop'>$</span> <span class='hs-varid'>natVal</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>status</span><span class='hs-layout'>)</span>
<a name="line-253"></a>
<a name="line-254"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- | If you use 'Header' in one of the endpoints for your API,</span>
<a name="line-255"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- this automatically requires your server-side handler to be a function</span>
<a name="line-256"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- that takes an argument of the type specified by 'Header'.</span>
<a name="line-257"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- This lets servant worry about extracting it from the request and turning</span>
<a name="line-258"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- it into a value of the type you specify.</span>
<a name="line-259"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>--</span>
<a name="line-260"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- All it asks is for a 'FromHttpApiData' instance.</span>
<a name="line-261"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>--</span>
<a name="line-262"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- Example:</span>
<a name="line-263"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>--</span>
<a name="line-264"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt; newtype Referer = Referer Text</span>
<a name="line-265"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;   deriving (Eq, Show, FromHttpApiData)</span>
<a name="line-266"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;</span>
<a name="line-267"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;            -- GET /view-my-referer</span>
<a name="line-268"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt; type MyApi = "view-my-referer" :&gt; Header "Referer" Referer :&gt; Get '[JSON] Referer</span>
<a name="line-269"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;</span>
<a name="line-270"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt; server :: Server MyApi</span>
<a name="line-271"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt; server = viewReferer</span>
<a name="line-272"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;   where viewReferer :: Referer -&gt; Handler referer</span>
<a name="line-273"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;         viewReferer referer = return referer</span>
<a name="line-274"></a><a name="instance%20HasServer%20(Header%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>KnownSymbol</span> <span class='hs-varid'>sym</span><span class='hs-layout'>,</span> <span class='hs-conid'>FromHttpApiData</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>HasServer</span> <span class='hs-varid'>api</span> <span class='hs-varid'>context</span><span class='hs-layout'>)</span>
<a name="line-275"></a>      <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>HasServer</span> <span class='hs-layout'>(</span><span class='hs-conid'>Header</span> <span class='hs-varid'>sym</span> <span class='hs-varid'>a</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-keyword'>where</span>
<a name="line-276"></a>
<a name="line-277"></a>  <span class='hs-keyword'>type</span> <span class='hs-conid'>ServerT</span> <span class='hs-layout'>(</span><span class='hs-conid'>Header</span> <span class='hs-varid'>sym</span> <span class='hs-varid'>a</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span>
<a name="line-278"></a>    <span class='hs-conid'>Maybe</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>ServerT</span> <span class='hs-varid'>api</span> <span class='hs-varid'>m</span>
<a name="line-279"></a>
<a name="line-280"></a>  <span class='hs-varid'>route</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>context</span> <span class='hs-varid'>subserver</span> <span class='hs-keyglyph'>=</span>
<a name="line-281"></a>    <span class='hs-keyword'>let</span> <span class='hs-varid'>mheader</span> <span class='hs-varid'>req</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseHeaderMaybe</span> <span class='hs-varop'>=&lt;&lt;</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>str</span> <span class='hs-layout'>(</span><span class='hs-varid'>requestHeaders</span> <span class='hs-varid'>req</span><span class='hs-layout'>)</span>
<a name="line-282"></a>    <span class='hs-keyword'>in</span>  <span class='hs-varid'>route</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-layout'>(</span><span class='hs-varid'>passToServer</span> <span class='hs-varid'>subserver</span> <span class='hs-varid'>mheader</span><span class='hs-layout'>)</span>
<a name="line-283"></a>    <span class='hs-keyword'>where</span> <span class='hs-varid'>str</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromString</span> <span class='hs-varop'>$</span> <span class='hs-varid'>symbolVal</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>sym</span><span class='hs-layout'>)</span>
<a name="line-284"></a>
<a name="line-285"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- | If you use @'QueryParam' "author" Text@ in one of the endpoints for your API,</span>
<a name="line-286"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- this automatically requires your server-side handler to be a function</span>
<a name="line-287"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- that takes an argument of type @'Maybe' 'Text'@.</span>
<a name="line-288"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>--</span>
<a name="line-289"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- This lets servant worry about looking it up in the query string</span>
<a name="line-290"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- and turning it into a value of the type you specify, enclosed</span>
<a name="line-291"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- in 'Maybe', because it may not be there and servant would then</span>
<a name="line-292"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- hand you 'Nothing'.</span>
<a name="line-293"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>--</span>
<a name="line-294"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- You can control how it'll be converted from 'Text' to your type</span>
<a name="line-295"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- by simply providing an instance of 'FromHttpApiData' for your type.</span>
<a name="line-296"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>--</span>
<a name="line-297"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- Example:</span>
<a name="line-298"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>--</span>
<a name="line-299"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt; type MyApi = "books" :&gt; QueryParam "author" Text :&gt; Get '[JSON] [Book]</span>
<a name="line-300"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;</span>
<a name="line-301"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt; server :: Server MyApi</span>
<a name="line-302"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt; server = getBooksBy</span>
<a name="line-303"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;   where getBooksBy :: Maybe Text -&gt; Handler [Book]</span>
<a name="line-304"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;         getBooksBy Nothing       = ...return all books...</span>
<a name="line-305"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;         getBooksBy (Just author) = ...return books by the given author...</span>
<a name="line-306"></a><a name="instance%20HasServer%20(QueryParam%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>KnownSymbol</span> <span class='hs-varid'>sym</span><span class='hs-layout'>,</span> <span class='hs-conid'>FromHttpApiData</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>HasServer</span> <span class='hs-varid'>api</span> <span class='hs-varid'>context</span><span class='hs-layout'>)</span>
<a name="line-307"></a>      <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>HasServer</span> <span class='hs-layout'>(</span><span class='hs-conid'>QueryParam</span> <span class='hs-varid'>sym</span> <span class='hs-varid'>a</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-keyword'>where</span>
<a name="line-308"></a>
<a name="line-309"></a>  <span class='hs-keyword'>type</span> <span class='hs-conid'>ServerT</span> <span class='hs-layout'>(</span><span class='hs-conid'>QueryParam</span> <span class='hs-varid'>sym</span> <span class='hs-varid'>a</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span>
<a name="line-310"></a>    <span class='hs-conid'>Maybe</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>ServerT</span> <span class='hs-varid'>api</span> <span class='hs-varid'>m</span>
<a name="line-311"></a>
<a name="line-312"></a>  <span class='hs-varid'>route</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>context</span> <span class='hs-varid'>subserver</span> <span class='hs-keyglyph'>=</span>
<a name="line-313"></a>    <span class='hs-keyword'>let</span> <span class='hs-varid'>querytext</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseQueryText</span> <span class='hs-varop'>$</span> <span class='hs-varid'>rawQueryString</span> <span class='hs-varid'>r</span>
<a name="line-314"></a>        <span class='hs-varid'>param</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>=</span>
<a name="line-315"></a>          <span class='hs-keyword'>case</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>paramname</span> <span class='hs-layout'>(</span><span class='hs-varid'>querytext</span> <span class='hs-varid'>r</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-316"></a>            <span class='hs-conid'>Nothing</span>       <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Nothing</span> <span class='hs-comment'>-- param absent from the query string</span>
<a name="line-317"></a>            <span class='hs-conid'>Just</span> <span class='hs-conid'>Nothing</span>  <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>Nothing</span> <span class='hs-comment'>-- param present with no value -&gt; Nothing</span>
<a name="line-318"></a>            <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>parseQueryParamMaybe</span> <span class='hs-varid'>v</span> <span class='hs-comment'>-- if present, we try to convert to</span>
<a name="line-319"></a>                                        <span class='hs-comment'>-- the right type</span>
<a name="line-320"></a>    <span class='hs-keyword'>in</span> <span class='hs-varid'>route</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-layout'>(</span><span class='hs-varid'>passToServer</span> <span class='hs-varid'>subserver</span> <span class='hs-varid'>param</span><span class='hs-layout'>)</span>
<a name="line-321"></a>    <span class='hs-keyword'>where</span> <span class='hs-varid'>paramname</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>cs</span> <span class='hs-varop'>$</span> <span class='hs-varid'>symbolVal</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>sym</span><span class='hs-layout'>)</span>
<a name="line-322"></a>
<a name="line-323"></a><a name="instance%20HasServer%20(QueryParams%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- | If you use @'QueryParams' "authors" Text@ in one of the endpoints for your API,</span>
<a name="line-324"></a><a name="instance%20HasServer%20(QueryParams%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- this automatically requires your server-side handler to be a function</span>
<a name="line-325"></a><a name="instance%20HasServer%20(QueryParams%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- that takes an argument of type @['Text']@.</span>
<a name="line-326"></a><a name="instance%20HasServer%20(QueryParams%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>--</span>
<a name="line-327"></a><a name="instance%20HasServer%20(QueryParams%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- This lets servant worry about looking up 0 or more values in the query string</span>
<a name="line-328"></a><a name="instance%20HasServer%20(QueryParams%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- associated to @authors@ and turning each of them into a value of</span>
<a name="line-329"></a><a name="instance%20HasServer%20(QueryParams%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- the type you specify.</span>
<a name="line-330"></a><a name="instance%20HasServer%20(QueryParams%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>--</span>
<a name="line-331"></a><a name="instance%20HasServer%20(QueryParams%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- You can control how the individual values are converted from 'Text' to your type</span>
<a name="line-332"></a><a name="instance%20HasServer%20(QueryParams%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- by simply providing an instance of 'FromHttpApiData' for your type.</span>
<a name="line-333"></a><a name="instance%20HasServer%20(QueryParams%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>--</span>
<a name="line-334"></a><a name="instance%20HasServer%20(QueryParams%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- Example:</span>
<a name="line-335"></a><a name="instance%20HasServer%20(QueryParams%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>--</span>
<a name="line-336"></a><a name="instance%20HasServer%20(QueryParams%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt; type MyApi = "books" :&gt; QueryParams "authors" Text :&gt; Get '[JSON] [Book]</span>
<a name="line-337"></a><a name="instance%20HasServer%20(QueryParams%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;</span>
<a name="line-338"></a><a name="instance%20HasServer%20(QueryParams%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt; server :: Server MyApi</span>
<a name="line-339"></a><a name="instance%20HasServer%20(QueryParams%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt; server = getBooksBy</span>
<a name="line-340"></a><a name="instance%20HasServer%20(QueryParams%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;   where getBooksBy :: [Text] -&gt; Handler [Book]</span>
<a name="line-341"></a><a name="instance%20HasServer%20(QueryParams%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;         getBooksBy authors = ...return all books by these authors...</span>
<a name="line-342"></a><a name="instance%20HasServer%20(QueryParams%20sym%20a%20:%3e%20api)%20context"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>KnownSymbol</span> <span class='hs-varid'>sym</span><span class='hs-layout'>,</span> <span class='hs-conid'>FromHttpApiData</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>HasServer</span> <span class='hs-varid'>api</span> <span class='hs-varid'>context</span><span class='hs-layout'>)</span>
<a name="line-343"></a>      <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>HasServer</span> <span class='hs-layout'>(</span><span class='hs-conid'>QueryParams</span> <span class='hs-varid'>sym</span> <span class='hs-varid'>a</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-keyword'>where</span>
<a name="line-344"></a>
<a name="line-345"></a>  <span class='hs-keyword'>type</span> <span class='hs-conid'>ServerT</span> <span class='hs-layout'>(</span><span class='hs-conid'>QueryParams</span> <span class='hs-varid'>sym</span> <span class='hs-varid'>a</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span>
<a name="line-346"></a>    <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>ServerT</span> <span class='hs-varid'>api</span> <span class='hs-varid'>m</span>
<a name="line-347"></a>
<a name="line-348"></a>  <span class='hs-varid'>route</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>context</span> <span class='hs-varid'>subserver</span> <span class='hs-keyglyph'>=</span>
<a name="line-349"></a>    <span class='hs-keyword'>let</span> <span class='hs-varid'>querytext</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseQueryText</span> <span class='hs-varop'>$</span> <span class='hs-varid'>rawQueryString</span> <span class='hs-varid'>r</span>
<a name="line-350"></a>        <span class='hs-comment'>-- if sym is "foo", we look for query string parameters</span>
<a name="line-351"></a>        <span class='hs-comment'>-- named "foo" or "foo[]" and call parseQueryParam on the</span>
<a name="line-352"></a>        <span class='hs-comment'>-- corresponding values</span>
<a name="line-353"></a>        <span class='hs-varid'>parameters</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>filter</span> <span class='hs-varid'>looksLikeParam</span> <span class='hs-layout'>(</span><span class='hs-varid'>querytext</span> <span class='hs-varid'>r</span><span class='hs-layout'>)</span>
<a name="line-354"></a>        <span class='hs-varid'>values</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>mapMaybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>convert</span> <span class='hs-varop'>.</span> <span class='hs-varid'>snd</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>parameters</span> <span class='hs-varid'>r</span><span class='hs-layout'>)</span>
<a name="line-355"></a>    <span class='hs-keyword'>in</span>  <span class='hs-varid'>route</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-layout'>(</span><span class='hs-varid'>passToServer</span> <span class='hs-varid'>subserver</span> <span class='hs-varid'>values</span><span class='hs-layout'>)</span>
<a name="line-356"></a>    <span class='hs-keyword'>where</span> <span class='hs-varid'>paramname</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>cs</span> <span class='hs-varop'>$</span> <span class='hs-varid'>symbolVal</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>sym</span><span class='hs-layout'>)</span>
<a name="line-357"></a>          <span class='hs-varid'>looksLikeParam</span> <span class='hs-layout'>(</span><span class='hs-varid'>name</span><span class='hs-layout'>,</span> <span class='hs-keyword'>_</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>name</span> <span class='hs-varop'>==</span> <span class='hs-varid'>paramname</span> <span class='hs-varop'>||</span> <span class='hs-varid'>name</span> <span class='hs-varop'>==</span> <span class='hs-layout'>(</span><span class='hs-varid'>paramname</span> <span class='hs-varop'>&lt;&gt;</span> <span class='hs-str'>"[]"</span><span class='hs-layout'>)</span>
<a name="line-358"></a>          <span class='hs-varid'>convert</span> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-359"></a>          <span class='hs-varid'>convert</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseQueryParamMaybe</span> <span class='hs-varid'>v</span>
<a name="line-360"></a>
<a name="line-361"></a><a name="instance%20HasServer%20(QueryFlag%20sym%20:%3e%20api)%20context"></a><span class='hs-comment'>-- | If you use @'QueryFlag' "published"@ in one of the endpoints for your API,</span>
<a name="line-362"></a><a name="instance%20HasServer%20(QueryFlag%20sym%20:%3e%20api)%20context"></a><span class='hs-comment'>-- this automatically requires your server-side handler to be a function</span>
<a name="line-363"></a><a name="instance%20HasServer%20(QueryFlag%20sym%20:%3e%20api)%20context"></a><span class='hs-comment'>-- that takes an argument of type 'Bool'.</span>
<a name="line-364"></a><a name="instance%20HasServer%20(QueryFlag%20sym%20:%3e%20api)%20context"></a><span class='hs-comment'>--</span>
<a name="line-365"></a><a name="instance%20HasServer%20(QueryFlag%20sym%20:%3e%20api)%20context"></a><span class='hs-comment'>-- Example:</span>
<a name="line-366"></a><a name="instance%20HasServer%20(QueryFlag%20sym%20:%3e%20api)%20context"></a><span class='hs-comment'>--</span>
<a name="line-367"></a><a name="instance%20HasServer%20(QueryFlag%20sym%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt; type MyApi = "books" :&gt; QueryFlag "published" :&gt; Get '[JSON] [Book]</span>
<a name="line-368"></a><a name="instance%20HasServer%20(QueryFlag%20sym%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;</span>
<a name="line-369"></a><a name="instance%20HasServer%20(QueryFlag%20sym%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt; server :: Server MyApi</span>
<a name="line-370"></a><a name="instance%20HasServer%20(QueryFlag%20sym%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt; server = getBooks</span>
<a name="line-371"></a><a name="instance%20HasServer%20(QueryFlag%20sym%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;   where getBooks :: Bool -&gt; Handler [Book]</span>
<a name="line-372"></a><a name="instance%20HasServer%20(QueryFlag%20sym%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;         getBooks onlyPublished = ...return all books, or only the ones that are already published, depending on the argument...</span>
<a name="line-373"></a><a name="instance%20HasServer%20(QueryFlag%20sym%20:%3e%20api)%20context"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>KnownSymbol</span> <span class='hs-varid'>sym</span><span class='hs-layout'>,</span> <span class='hs-conid'>HasServer</span> <span class='hs-varid'>api</span> <span class='hs-varid'>context</span><span class='hs-layout'>)</span>
<a name="line-374"></a>      <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>HasServer</span> <span class='hs-layout'>(</span><span class='hs-conid'>QueryFlag</span> <span class='hs-varid'>sym</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-keyword'>where</span>
<a name="line-375"></a>
<a name="line-376"></a>  <span class='hs-keyword'>type</span> <span class='hs-conid'>ServerT</span> <span class='hs-layout'>(</span><span class='hs-conid'>QueryFlag</span> <span class='hs-varid'>sym</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span>
<a name="line-377"></a>    <span class='hs-conid'>Bool</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>ServerT</span> <span class='hs-varid'>api</span> <span class='hs-varid'>m</span>
<a name="line-378"></a>
<a name="line-379"></a>  <span class='hs-varid'>route</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>context</span> <span class='hs-varid'>subserver</span> <span class='hs-keyglyph'>=</span>
<a name="line-380"></a>    <span class='hs-keyword'>let</span> <span class='hs-varid'>querytext</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>parseQueryText</span> <span class='hs-varop'>$</span> <span class='hs-varid'>rawQueryString</span> <span class='hs-varid'>r</span>
<a name="line-381"></a>        <span class='hs-varid'>param</span> <span class='hs-varid'>r</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>case</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>paramname</span> <span class='hs-layout'>(</span><span class='hs-varid'>querytext</span> <span class='hs-varid'>r</span><span class='hs-layout'>)</span> <span class='hs-keyword'>of</span>
<a name="line-382"></a>          <span class='hs-conid'>Just</span> <span class='hs-conid'>Nothing</span>  <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>True</span>  <span class='hs-comment'>-- param is there, with no value</span>
<a name="line-383"></a>          <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>examine</span> <span class='hs-varid'>v</span> <span class='hs-comment'>-- param with a value</span>
<a name="line-384"></a>          <span class='hs-conid'>Nothing</span>       <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>False</span> <span class='hs-comment'>-- param not in the query string</span>
<a name="line-385"></a>    <span class='hs-keyword'>in</span>  <span class='hs-varid'>route</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-layout'>(</span><span class='hs-varid'>passToServer</span> <span class='hs-varid'>subserver</span> <span class='hs-varid'>param</span><span class='hs-layout'>)</span>
<a name="line-386"></a>    <span class='hs-keyword'>where</span> <span class='hs-varid'>paramname</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>cs</span> <span class='hs-varop'>$</span> <span class='hs-varid'>symbolVal</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>sym</span><span class='hs-layout'>)</span>
<a name="line-387"></a>          <span class='hs-varid'>examine</span> <span class='hs-varid'>v</span> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>v</span> <span class='hs-varop'>==</span> <span class='hs-str'>"true"</span> <span class='hs-varop'>||</span> <span class='hs-varid'>v</span> <span class='hs-varop'>==</span> <span class='hs-str'>"1"</span> <span class='hs-varop'>||</span> <span class='hs-varid'>v</span> <span class='hs-varop'>==</span> <span class='hs-str'>""</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-388"></a>                    <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-389"></a>
<a name="line-390"></a><a name="instance%20HasServer%20Raw%20context"></a><span class='hs-comment'>-- | Just pass the request to the underlying application and serve its response.</span>
<a name="line-391"></a><a name="instance%20HasServer%20Raw%20context"></a><span class='hs-comment'>--</span>
<a name="line-392"></a><a name="instance%20HasServer%20Raw%20context"></a><span class='hs-comment'>-- Example:</span>
<a name="line-393"></a><a name="instance%20HasServer%20Raw%20context"></a><span class='hs-comment'>--</span>
<a name="line-394"></a><a name="instance%20HasServer%20Raw%20context"></a><span class='hs-comment'>-- &gt; type MyApi = "images" :&gt; Raw</span>
<a name="line-395"></a><a name="instance%20HasServer%20Raw%20context"></a><span class='hs-comment'>-- &gt;</span>
<a name="line-396"></a><a name="instance%20HasServer%20Raw%20context"></a><span class='hs-comment'>-- &gt; server :: Server MyApi</span>
<a name="line-397"></a><a name="instance%20HasServer%20Raw%20context"></a><span class='hs-comment'>-- &gt; server = serveDirectory "/var/www/images"</span>
<a name="line-398"></a><a name="instance%20HasServer%20Raw%20context"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>HasServer</span> <span class='hs-conid'>Raw</span> <span class='hs-varid'>context</span> <span class='hs-keyword'>where</span>
<a name="line-399"></a>
<a name="line-400"></a>  <span class='hs-keyword'>type</span> <span class='hs-conid'>ServerT</span> <span class='hs-conid'>Raw</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Application</span>
<a name="line-401"></a>
<a name="line-402"></a>  <span class='hs-varid'>route</span> <span class='hs-conid'>Proxy</span> <span class='hs-keyword'>_</span> <span class='hs-varid'>rawApplication</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>RawRouter</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span> <span class='hs-varid'>env</span> <span class='hs-varid'>request</span> <span class='hs-varid'>respond</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-403"></a>    <span class='hs-varid'>r</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>runDelayed</span> <span class='hs-varid'>rawApplication</span> <span class='hs-varid'>env</span> <span class='hs-varid'>request</span>
<a name="line-404"></a>    <span class='hs-keyword'>case</span> <span class='hs-varid'>r</span> <span class='hs-keyword'>of</span>
<a name="line-405"></a>      <span class='hs-conid'>Route</span> <span class='hs-varid'>app</span>   <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>app</span> <span class='hs-varid'>request</span> <span class='hs-layout'>(</span><span class='hs-varid'>respond</span> <span class='hs-varop'>.</span> <span class='hs-conid'>Route</span><span class='hs-layout'>)</span>
<a name="line-406"></a>      <span class='hs-conid'>Fail</span> <span class='hs-varid'>a</span>      <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>respond</span> <span class='hs-varop'>$</span> <span class='hs-conid'>Fail</span> <span class='hs-varid'>a</span>
<a name="line-407"></a>      <span class='hs-conid'>FailFatal</span> <span class='hs-varid'>e</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>respond</span> <span class='hs-varop'>$</span> <span class='hs-conid'>FailFatal</span> <span class='hs-varid'>e</span>
<a name="line-408"></a>
<a name="line-409"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- | If you use 'ReqBody' in one of the endpoints for your API,</span>
<a name="line-410"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- this automatically requires your server-side handler to be a function</span>
<a name="line-411"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- that takes an argument of the type specified by 'ReqBody'.</span>
<a name="line-412"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- The @Content-Type@ header is inspected, and the list provided is used to</span>
<a name="line-413"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- attempt deserialization. If the request does not have a @Content-Type@</span>
<a name="line-414"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- header, it is treated as @application/octet-stream@ (as specified in</span>
<a name="line-415"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &lt;<a href="http://tools.ietf.org/html/rfc7231#section-3.1.1.5">http://tools.ietf.org/html/rfc7231#section-3.1.1.5</a> RFC7231&gt;.</span>
<a name="line-416"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- This lets servant worry about extracting it from the request and turning</span>
<a name="line-417"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- it into a value of the type you specify.</span>
<a name="line-418"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>--</span>
<a name="line-419"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>--</span>
<a name="line-420"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- All it asks is for a 'FromJSON' instance.</span>
<a name="line-421"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>--</span>
<a name="line-422"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- Example:</span>
<a name="line-423"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>--</span>
<a name="line-424"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt; type MyApi = "books" :&gt; ReqBody '[JSON] Book :&gt; Post '[JSON] Book</span>
<a name="line-425"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;</span>
<a name="line-426"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt; server :: Server MyApi</span>
<a name="line-427"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt; server = postBook</span>
<a name="line-428"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;   where postBook :: Book -&gt; Handler Book</span>
<a name="line-429"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-comment'>-- &gt;         postBook book = ...insert into your db...</span>
<a name="line-430"></a><a name="instance%20HasServer%20(ReqBody%20list%20a%20:%3e%20api)%20context"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span> <span class='hs-conid'>AllCTUnrender</span> <span class='hs-varid'>list</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>HasServer</span> <span class='hs-varid'>api</span> <span class='hs-varid'>context</span>
<a name="line-431"></a>         <span class='hs-layout'>)</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>HasServer</span> <span class='hs-layout'>(</span><span class='hs-conid'>ReqBody</span> <span class='hs-varid'>list</span> <span class='hs-varid'>a</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-keyword'>where</span>
<a name="line-432"></a>
<a name="line-433"></a>  <span class='hs-keyword'>type</span> <span class='hs-conid'>ServerT</span> <span class='hs-layout'>(</span><span class='hs-conid'>ReqBody</span> <span class='hs-varid'>list</span> <span class='hs-varid'>a</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span>
<a name="line-434"></a>    <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>ServerT</span> <span class='hs-varid'>api</span> <span class='hs-varid'>m</span>
<a name="line-435"></a>
<a name="line-436"></a>  <span class='hs-varid'>route</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>context</span> <span class='hs-varid'>subserver</span> <span class='hs-keyglyph'>=</span>
<a name="line-437"></a>    <span class='hs-varid'>route</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-layout'>(</span><span class='hs-varid'>addBodyCheck</span> <span class='hs-varid'>subserver</span> <span class='hs-varid'>bodyCheck</span><span class='hs-layout'>)</span>
<a name="line-438"></a>    <span class='hs-keyword'>where</span>
<a name="line-439"></a>      <span class='hs-varid'>bodyCheck</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withRequest</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span> <span class='hs-varid'>request</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-keyword'>do</span>
<a name="line-440"></a>        <span class='hs-comment'>-- See HTTP RFC 2616, section 7.2.1</span>
<a name="line-441"></a>        <span class='hs-comment'>-- <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec7.html#sec7.2.1">http://www.w3.org/Protocols/rfc2616/rfc2616-sec7.html#sec7.2.1</a></span>
<a name="line-442"></a>        <span class='hs-comment'>-- See also "W3C Internet Media Type registration, consistency of use"</span>
<a name="line-443"></a>        <span class='hs-comment'>-- <a href="http://www.w3.org/2001/tag/2002/0129-mime">http://www.w3.org/2001/tag/2002/0129-mime</a></span>
<a name="line-444"></a>        <span class='hs-keyword'>let</span> <span class='hs-varid'>contentTypeH</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fromMaybe</span> <span class='hs-str'>"application/octet-stream"</span>
<a name="line-445"></a>                         <span class='hs-varop'>$</span> <span class='hs-varid'>lookup</span> <span class='hs-varid'>hContentType</span> <span class='hs-varop'>$</span> <span class='hs-varid'>requestHeaders</span> <span class='hs-varid'>request</span>
<a name="line-446"></a>        <span class='hs-varid'>mrqbody</span> <span class='hs-keyglyph'>&lt;-</span> <span class='hs-varid'>handleCTypeH</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>list</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>cs</span> <span class='hs-varid'>contentTypeH</span><span class='hs-layout'>)</span>
<a name="line-447"></a>               <span class='hs-varop'>&lt;$&gt;</span> <span class='hs-varid'>liftIO</span> <span class='hs-layout'>(</span><span class='hs-varid'>lazyRequestBody</span> <span class='hs-varid'>request</span><span class='hs-layout'>)</span>
<a name="line-448"></a>        <span class='hs-keyword'>case</span> <span class='hs-varid'>mrqbody</span> <span class='hs-keyword'>of</span>
<a name="line-449"></a>          <span class='hs-conid'>Nothing</span>        <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>delayedFailFatal</span> <span class='hs-varid'>err415</span>
<a name="line-450"></a>          <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>Left</span> <span class='hs-varid'>e</span><span class='hs-layout'>)</span>  <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>delayedFailFatal</span> <span class='hs-varid'>err400</span> <span class='hs-layout'>{</span> <span class='hs-varid'>errBody</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>cs</span> <span class='hs-varid'>e</span> <span class='hs-layout'>}</span>
<a name="line-451"></a>          <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-conid'>Right</span> <span class='hs-varid'>v</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>return</span> <span class='hs-varid'>v</span>
<a name="line-452"></a>
<a name="line-453"></a><a name="instance%20HasServer%20(path%20:%3e%20api)%20context"></a><span class='hs-comment'>-- | Make sure the incoming request starts with @"/path"@, strip it and</span>
<a name="line-454"></a><a name="instance%20HasServer%20(path%20:%3e%20api)%20context"></a><span class='hs-comment'>-- pass the rest of the request path to @api@.</span>
<a name="line-455"></a><a name="instance%20HasServer%20(path%20:%3e%20api)%20context"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>KnownSymbol</span> <span class='hs-varid'>path</span><span class='hs-layout'>,</span> <span class='hs-conid'>HasServer</span> <span class='hs-varid'>api</span> <span class='hs-varid'>context</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>HasServer</span> <span class='hs-layout'>(</span><span class='hs-varid'>path</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-keyword'>where</span>
<a name="line-456"></a>
<a name="line-457"></a>  <span class='hs-keyword'>type</span> <span class='hs-conid'>ServerT</span> <span class='hs-layout'>(</span><span class='hs-varid'>path</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>ServerT</span> <span class='hs-varid'>api</span> <span class='hs-varid'>m</span>
<a name="line-458"></a>
<a name="line-459"></a>  <span class='hs-varid'>route</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>context</span> <span class='hs-varid'>subserver</span> <span class='hs-keyglyph'>=</span>
<a name="line-460"></a>    <span class='hs-varid'>pathRouter</span>
<a name="line-461"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>cs</span> <span class='hs-layout'>(</span><span class='hs-varid'>symbolVal</span> <span class='hs-varid'>proxyPath</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-462"></a>      <span class='hs-layout'>(</span><span class='hs-varid'>route</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-varid'>subserver</span><span class='hs-layout'>)</span>
<a name="line-463"></a>    <span class='hs-keyword'>where</span> <span class='hs-varid'>proxyPath</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>path</span>
<a name="line-464"></a>
<a name="line-465"></a><a name="instance%20HasServer%20(RemoteHost%20:%3e%20api)%20context"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>HasServer</span> <span class='hs-varid'>api</span> <span class='hs-varid'>context</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>HasServer</span> <span class='hs-layout'>(</span><span class='hs-conid'>RemoteHost</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-keyword'>where</span>
<a name="line-466"></a>  <span class='hs-keyword'>type</span> <span class='hs-conid'>ServerT</span> <span class='hs-layout'>(</span><span class='hs-conid'>RemoteHost</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>SockAddr</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>ServerT</span> <span class='hs-varid'>api</span> <span class='hs-varid'>m</span>
<a name="line-467"></a>
<a name="line-468"></a>  <span class='hs-varid'>route</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>context</span> <span class='hs-varid'>subserver</span> <span class='hs-keyglyph'>=</span>
<a name="line-469"></a>    <span class='hs-varid'>route</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-layout'>(</span><span class='hs-varid'>passToServer</span> <span class='hs-varid'>subserver</span> <span class='hs-varid'>remoteHost</span><span class='hs-layout'>)</span>
<a name="line-470"></a>
<a name="line-471"></a><a name="instance%20HasServer%20(IsSecure%20:%3e%20api)%20context"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>HasServer</span> <span class='hs-varid'>api</span> <span class='hs-varid'>context</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>HasServer</span> <span class='hs-layout'>(</span><span class='hs-conid'>IsSecure</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-keyword'>where</span>
<a name="line-472"></a>  <span class='hs-keyword'>type</span> <span class='hs-conid'>ServerT</span> <span class='hs-layout'>(</span><span class='hs-conid'>IsSecure</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>IsSecure</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>ServerT</span> <span class='hs-varid'>api</span> <span class='hs-varid'>m</span>
<a name="line-473"></a>
<a name="line-474"></a>  <span class='hs-varid'>route</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>context</span> <span class='hs-varid'>subserver</span> <span class='hs-keyglyph'>=</span>
<a name="line-475"></a>    <span class='hs-varid'>route</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-layout'>(</span><span class='hs-varid'>passToServer</span> <span class='hs-varid'>subserver</span> <span class='hs-varid'>secure</span><span class='hs-layout'>)</span>
<a name="line-476"></a>
<a name="line-477"></a>    <span class='hs-keyword'>where</span> <span class='hs-varid'>secure</span> <span class='hs-varid'>req</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-varid'>isSecure</span> <span class='hs-varid'>req</span> <span class='hs-keyword'>then</span> <span class='hs-conid'>Secure</span> <span class='hs-keyword'>else</span> <span class='hs-conid'>NotSecure</span>
<a name="line-478"></a>
<a name="line-479"></a><a name="instance%20HasServer%20(Vault%20:%3e%20api)%20context"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>HasServer</span> <span class='hs-varid'>api</span> <span class='hs-varid'>context</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>HasServer</span> <span class='hs-layout'>(</span><span class='hs-conid'>Vault</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-keyword'>where</span>
<a name="line-480"></a>  <span class='hs-keyword'>type</span> <span class='hs-conid'>ServerT</span> <span class='hs-layout'>(</span><span class='hs-conid'>Vault</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Vault</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>ServerT</span> <span class='hs-varid'>api</span> <span class='hs-varid'>m</span>
<a name="line-481"></a>
<a name="line-482"></a>  <span class='hs-varid'>route</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>context</span> <span class='hs-varid'>subserver</span> <span class='hs-keyglyph'>=</span>
<a name="line-483"></a>    <span class='hs-varid'>route</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-layout'>(</span><span class='hs-varid'>passToServer</span> <span class='hs-varid'>subserver</span> <span class='hs-varid'>vault</span><span class='hs-layout'>)</span>
<a name="line-484"></a>
<a name="line-485"></a><a name="instance%20HasServer%20(HttpVersion%20:%3e%20api)%20context"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>HasServer</span> <span class='hs-varid'>api</span> <span class='hs-varid'>context</span> <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>HasServer</span> <span class='hs-layout'>(</span><span class='hs-conid'>HttpVersion</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-keyword'>where</span>
<a name="line-486"></a>  <span class='hs-keyword'>type</span> <span class='hs-conid'>ServerT</span> <span class='hs-layout'>(</span><span class='hs-conid'>HttpVersion</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>HttpVersion</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>ServerT</span> <span class='hs-varid'>api</span> <span class='hs-varid'>m</span>
<a name="line-487"></a>
<a name="line-488"></a>  <span class='hs-varid'>route</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>context</span> <span class='hs-varid'>subserver</span> <span class='hs-keyglyph'>=</span>
<a name="line-489"></a>    <span class='hs-varid'>route</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-layout'>(</span><span class='hs-varid'>passToServer</span> <span class='hs-varid'>subserver</span> <span class='hs-varid'>httpVersion</span><span class='hs-layout'>)</span>
<a name="line-490"></a>
<a name="line-491"></a><a name="instance%20HasServer%20(BasicAuth%20realm%20usr%20:%3e%20api)%20context"></a><span class='hs-comment'>-- | Basic Authentication</span>
<a name="line-492"></a><a name="instance%20HasServer%20(BasicAuth%20realm%20usr%20:%3e%20api)%20context"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span> <span class='hs-conid'>KnownSymbol</span> <span class='hs-varid'>realm</span>
<a name="line-493"></a>         <span class='hs-layout'>,</span> <span class='hs-conid'>HasServer</span> <span class='hs-varid'>api</span> <span class='hs-varid'>context</span>
<a name="line-494"></a>         <span class='hs-layout'>,</span> <span class='hs-conid'>HasContextEntry</span> <span class='hs-varid'>context</span> <span class='hs-layout'>(</span><span class='hs-conid'>BasicAuthCheck</span> <span class='hs-varid'>usr</span><span class='hs-layout'>)</span>
<a name="line-495"></a>         <span class='hs-layout'>)</span>
<a name="line-496"></a>    <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>HasServer</span> <span class='hs-layout'>(</span><span class='hs-conid'>BasicAuth</span> <span class='hs-varid'>realm</span> <span class='hs-varid'>usr</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-keyword'>where</span>
<a name="line-497"></a>
<a name="line-498"></a>  <span class='hs-keyword'>type</span> <span class='hs-conid'>ServerT</span> <span class='hs-layout'>(</span><span class='hs-conid'>BasicAuth</span> <span class='hs-varid'>realm</span> <span class='hs-varid'>usr</span> <span class='hs-conop'>:&gt;</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>usr</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-conid'>ServerT</span> <span class='hs-varid'>api</span> <span class='hs-varid'>m</span>
<a name="line-499"></a>
<a name="line-500"></a>  <span class='hs-varid'>route</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>context</span> <span class='hs-varid'>subserver</span> <span class='hs-keyglyph'>=</span>
<a name="line-501"></a>    <span class='hs-varid'>route</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>api</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-layout'>(</span><span class='hs-varid'>subserver</span> <span class='hs-varop'>`addAuthCheck`</span> <span class='hs-varid'>authCheck</span><span class='hs-layout'>)</span>
<a name="line-502"></a>    <span class='hs-keyword'>where</span>
<a name="line-503"></a>       <span class='hs-varid'>realm</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BC8</span><span class='hs-varop'>.</span><span class='hs-varid'>pack</span> <span class='hs-varop'>$</span> <span class='hs-varid'>symbolVal</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>realm</span><span class='hs-layout'>)</span>
<a name="line-504"></a>       <span class='hs-varid'>basicAuthContext</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getContextEntry</span> <span class='hs-varid'>context</span>
<a name="line-505"></a>       <span class='hs-varid'>authCheck</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>withRequest</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span> <span class='hs-varid'>req</span> <span class='hs-keyglyph'>-&gt;</span> <span class='hs-varid'>runBasicAuth</span> <span class='hs-varid'>req</span> <span class='hs-varid'>realm</span> <span class='hs-varid'>basicAuthContext</span>
<a name="line-506"></a>
<a name="line-507"></a><span class='hs-comment'>-- * helpers</span>
<a name="line-508"></a>
<a name="line-509"></a><a name="ct_wildcard"></a><span class='hs-definition'>ct_wildcard</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-510"></a><span class='hs-definition'>ct_wildcard</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"*"</span> <span class='hs-varop'>&lt;&gt;</span> <span class='hs-str'>"/"</span> <span class='hs-varop'>&lt;&gt;</span> <span class='hs-str'>"*"</span> <span class='hs-comment'>-- Because CPP</span>
<a name="line-511"></a>
<a name="line-512"></a><span class='hs-comment'>-- * General Authentication</span>
<a name="line-513"></a>
<a name="line-514"></a>
<a name="line-515"></a><span class='hs-comment'>-- * contexts</span>
<a name="line-516"></a>
<a name="line-517"></a><a name="instance%20HasServer%20(WithNamedContext%20name%20subContext%20subApi)%20context"></a><span class='hs-keyword'>instance</span> <span class='hs-layout'>(</span><span class='hs-conid'>HasContextEntry</span> <span class='hs-varid'>context</span> <span class='hs-layout'>(</span><span class='hs-conid'>NamedContext</span> <span class='hs-varid'>name</span> <span class='hs-varid'>subContext</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-conid'>HasServer</span> <span class='hs-varid'>subApi</span> <span class='hs-varid'>subContext</span><span class='hs-layout'>)</span>
<a name="line-518"></a>  <span class='hs-keyglyph'>=&gt;</span> <span class='hs-conid'>HasServer</span> <span class='hs-layout'>(</span><span class='hs-conid'>WithNamedContext</span> <span class='hs-varid'>name</span> <span class='hs-varid'>subContext</span> <span class='hs-varid'>subApi</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span> <span class='hs-keyword'>where</span>
<a name="line-519"></a>
<a name="line-520"></a>  <span class='hs-keyword'>type</span> <span class='hs-conid'>ServerT</span> <span class='hs-layout'>(</span><span class='hs-conid'>WithNamedContext</span> <span class='hs-varid'>name</span> <span class='hs-varid'>subContext</span> <span class='hs-varid'>subApi</span><span class='hs-layout'>)</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=</span>
<a name="line-521"></a>    <span class='hs-conid'>ServerT</span> <span class='hs-varid'>subApi</span> <span class='hs-varid'>m</span>
<a name="line-522"></a>
<a name="line-523"></a>  <span class='hs-varid'>route</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>context</span> <span class='hs-varid'>delayed</span> <span class='hs-keyglyph'>=</span>
<a name="line-524"></a>    <span class='hs-varid'>route</span> <span class='hs-varid'>subProxy</span> <span class='hs-varid'>subContext</span> <span class='hs-varid'>delayed</span>
<a name="line-525"></a>    <span class='hs-keyword'>where</span>
<a name="line-526"></a>      <span class='hs-varid'>subProxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>subApi</span>
<a name="line-527"></a>      <span class='hs-varid'>subProxy</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Proxy</span>
<a name="line-528"></a>
<a name="line-529"></a>      <span class='hs-varid'>subContext</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Context</span> <span class='hs-varid'>subContext</span>
<a name="line-530"></a>      <span class='hs-varid'>subContext</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>descendIntoNamedContext</span> <span class='hs-layout'>(</span><span class='hs-conid'>Proxy</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Proxy</span> <span class='hs-varid'>name</span><span class='hs-layout'>)</span> <span class='hs-varid'>context</span>
</pre></body>
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