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</script></head><body><div id="package-header"><ul class="links" id="page-menu"><li><a href="src/Data-ByteString-Lens.html">Source</a></li><li><a href="index.html">Contents</a></li><li><a href="doc-index.html">Index</a></li></ul><p class="caption">lens-4.15.4: Lenses, Folds and Traversals</p></div><div id="content"><div id="module-header"><table class="info"><tr><th valign="top">Copyright</th><td>(C) 2012-16 Edward Kmett</td></tr><tr><th>License</th><td>BSD-style (see the file LICENSE)</td></tr><tr><th>Maintainer</th><td>Edward Kmett <ekmett@gmail.com></td></tr><tr><th>Stability</th><td>experimental</td></tr><tr><th>Portability</th><td>non-portable</td></tr><tr><th>Safe Haskell</th><td>Safe</td></tr><tr><th>Language</th><td>Haskell98</td></tr></table><p class="caption">Data.ByteString.Lens</p></div><div id="description"><p class="caption">Description</p><div class="doc empty"> </div></div><div id="synopsis"><p id="control.syn" class="caption expander" onclick="toggleSection('syn')">Synopsis</p><ul id="section.syn" class="hide" onclick="toggleSection('syn')"><li class="src short"><span class="keyword">class</span> <a href="#t:IsByteString">IsByteString</a> t <span class="keyword">where</span><ul class="subs"></ul></li><li class="src short"><a href="#v:unpackedBytes">unpackedBytes</a> :: <a href="Data-ByteString-Lens.html#t:IsByteString">IsByteString</a> t => <a href="Control-Lens-Type.html#t:Iso-39-">Iso'</a> t [<a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Word.html#t:Word8">Word8</a>]</li><li class="src short"><a href="#v:unpackedChars">unpackedChars</a> :: <a href="Data-ByteString-Lens.html#t:IsByteString">IsByteString</a> t => <a href="Control-Lens-Type.html#t:Iso-39-">Iso'</a> t <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-String.html#t:String">String</a></li><li class="src short"><span class="keyword">pattern</span> <a href="#v:Bytes">Bytes</a> :: <span class="keyword">forall</span> s. <a href="Data-ByteString-Lens.html#t:IsByteString">IsByteString</a> s => [<a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Word.html#t:Word8">Word8</a>] -> s</li><li class="src short"><span class="keyword">pattern</span> <a href="#v:Chars">Chars</a> :: <span class="keyword">forall</span> s. <a href="Data-ByteString-Lens.html#t:IsByteString">IsByteString</a> s => <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-String.html#t:String">String</a> -> s</li></ul></div><div id="interface"><h1>Documentation</h1><div class="top"><p class="src"><span class="keyword">class</span> <a id="t:IsByteString" class="def">IsByteString</a> t <span class="keyword">where</span> <a href="src/Data-ByteString-Lens.html#IsByteString" class="link">Source</a> <a href="#t:IsByteString" class="selflink">#</a></p><div class="doc"><p>Traversals for ByteStrings.</p></div><div class="subs minimal"><p class="caption">Minimal complete definition</p><p class="src"><a href="Data-ByteString-Lens.html#v:packedBytes">packedBytes</a>, <a href="Data-ByteString-Lens.html#v:packedChars">packedChars</a></p></div><div class="subs methods"><p class="caption">Methods</p><p class="src"><a id="v:packedBytes" class="def">packedBytes</a> :: <a href="Control-Lens-Type.html#t:Iso-39-">Iso'</a> [<a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Word.html#t:Word8">Word8</a>] t <a href="src/Data-ByteString-Lens.html#packedBytes" class="link">Source</a> <a href="#v:packedBytes" class="selflink">#</a></p><div class="doc"><p><code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#v:pack">pack</a></code> (or <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#v:unpack">unpack</a></code>) a list of bytes into a strict or lazy <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#t:ByteString">ByteString</a></code>.</p><pre><code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#v:pack">pack</a></code> x ≡ x <code><a href="Control-Lens-Getter.html#v:-94-.">^.</a></code> <code><a href="Data-ByteString-Lens.html#v:packedBytes">packedBytes</a></code>
<code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#v:unpack">unpack</a></code> x ≡ x <code><a href="Control-Lens-Getter.html#v:-94-.">^.</a></code> <code><a href="Control-Lens-Iso.html#v:from">from</a></code> <code><a href="Data-ByteString-Lens.html#v:packedBytes">packedBytes</a></code>
<code><a href="Data-ByteString-Lens.html#v:packedBytes">packedBytes</a></code> ≡ <code><a href="Control-Lens-Iso.html#v:from">from</a></code> <code><a href="Data-ByteString-Lens.html#v:unpackedBytes">unpackedBytes</a></code>
</pre></div><p class="src"><a id="v:packedChars" class="def">packedChars</a> :: <a href="Control-Lens-Type.html#t:Iso-39-">Iso'</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-String.html#t:String">String</a> t <a href="src/Data-ByteString-Lens.html#packedChars" class="link">Source</a> <a href="#v:packedChars" class="selflink">#</a></p><div class="doc"><p><code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString-Char8.html#v:pack">pack</a></code> (or <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString-Char8.html#v:unpack">unpack</a></code>) a list of characters into a strict or lazy <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#t:ByteString">ByteString</a></code>.</p><p>When writing back to the <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#t:ByteString">ByteString</a></code> it is assumed that every <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Char.html#t:Char">Char</a></code>
lies between <code>'\x00'</code> and <code>'\xff'</code>.</p><pre><code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString-Char8.html#v:pack">pack</a></code> x ≡ x <code><a href="Control-Lens-Getter.html#v:-94-.">^.</a></code> <code><a href="Data-ByteString-Lens.html#v:packedChars">packedChars</a></code>
<code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString-Char8.html#v:unpack">unpack</a></code> x ≡ x <code><a href="Control-Lens-Getter.html#v:-94-.">^.</a></code> <code><a href="Control-Lens-Iso.html#v:from">from</a></code> <code><a href="Data-ByteString-Lens.html#v:packedChars">packedChars</a></code>
<code><a href="Data-ByteString-Lens.html#v:packedChars">packedChars</a></code> ≡ <code><a href="Control-Lens-Iso.html#v:from">from</a></code> <code><a href="Data-ByteString-Lens.html#v:unpackedChars">unpackedChars</a></code>
</pre></div><p class="src"><a id="v:bytes" class="def">bytes</a> :: <a href="Control-Lens-Type.html#t:IndexedTraversal-39-">IndexedTraversal'</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> t <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Word.html#t:Word8">Word8</a> <a href="src/Data-ByteString-Lens.html#bytes" class="link">Source</a> <a href="#v:bytes" class="selflink">#</a></p><div class="doc"><p>Traverse each <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Word.html#t:Word8">Word8</a></code> in a strict or lazy <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#t:ByteString">ByteString</a></code></p><p>This <code><a href="Control-Lens-Type.html#t:Traversal">Traversal</a></code> walks each strict <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#t:ByteString">ByteString</a></code> chunk in a tree-like fashion
enable zippers to seek to locations more quickly and accelerate
many monoidal queries, but up to associativity (and constant factors) it is
equivalent to the much slower:</p><pre><code><a href="Data-ByteString-Lens.html#v:bytes">bytes</a></code> ≡ <code><a href="Data-ByteString-Lens.html#v:unpackedBytes">unpackedBytes</a></code> <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Function.html#v:.">.</a></code> <code><a href="Control-Lens-Traversal.html#v:traversed">traversed</a></code>
</pre><pre><code><a href="Control-Lens-Fold.html#v:anyOf">anyOf</a></code> <code><a href="Data-ByteString-Lens.html#v:bytes">bytes</a></code> (<code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Eq.html#v:-61--61-">==</a></code> 0x80) :: <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#t:ByteString">ByteString</a></code> -> <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Bool.html#t:Bool">Bool</a></code>
</pre></div><p class="src"><a id="v:chars" class="def">chars</a> :: <a href="Control-Lens-Type.html#t:IndexedTraversal-39-">IndexedTraversal'</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> t <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Char.html#t:Char">Char</a> <a href="src/Data-ByteString-Lens.html#chars" class="link">Source</a> <a href="#v:chars" class="selflink">#</a></p><div class="doc"><p>Traverse the individual bytes in a strict or lazy <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#t:ByteString">ByteString</a></code> as characters.</p><p>When writing back to the <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#t:ByteString">ByteString</a></code> it is assumed that every <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Char.html#t:Char">Char</a></code>
lies between <code>'\x00'</code> and <code>'\xff'</code>.</p><p>This <code><a href="Control-Lens-Type.html#t:Traversal">Traversal</a></code> walks each strict <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#t:ByteString">ByteString</a></code> chunk in a tree-like fashion
enable zippers to seek to locations more quickly and accelerate
many monoidal queries, but up to associativity (and constant factors) it is
equivalent to the much slower:</p><pre><code><a href="Data-ByteString-Lens.html#v:chars">chars</a></code> ≡ <code><a href="Data-ByteString-Lens.html#v:unpackedChars">unpackedChars</a></code> <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Function.html#v:.">.</a></code> <code><a href="Control-Lens-Traversal.html#v:traversed">traversed</a></code>
</pre><pre><code><a href="Control-Lens-Fold.html#v:anyOf">anyOf</a></code> <code><a href="Data-ByteString-Lens.html#v:chars">chars</a></code> (<code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Eq.html#v:-61--61-">==</a></code> 'c') :: <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#t:ByteString">ByteString</a></code> -> <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Bool.html#t:Bool">Bool</a></code>
</pre></div></div><div class="subs instances"><p id="control.i:IsByteString" class="caption collapser" onclick="toggleSection('i:IsByteString')">Instances</p><div id="section.i:IsByteString" class="show"><table><tr><td class="src clearfix"><span class="inst-left"><span id="control.i:ic:IsByteString:IsByteString:1" class="instance expander" onclick="toggleSection('i:ic:IsByteString:IsByteString:1')"></span> <a href="Data-ByteString-Lens.html#t:IsByteString">IsByteString</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString-Lazy.html#t:ByteString">ByteString</a></span> <a href="src/Data-ByteString-Lens.html#line-150" class="link">Source</a> <a href="#t:IsByteString" class="selflink">#</a></td><td class="doc empty"> </td></tr><tr><td colspan="2"><div id="section.i:ic:IsByteString:IsByteString:1" class="inst-details hide"><div class="subs methods"><p class="caption">Methods</p><p class="src"><a href="#v:packedBytes">packedBytes</a> :: <a href="Control-Lens-Type.html#t:Iso-39-">Iso'</a> [<a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Word.html#t:Word8">Word8</a>] <a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString-Lazy.html#t:ByteString">ByteString</a> <a href="src/Data-ByteString-Lens.html#packedBytes" class="link">Source</a> <a href="#v:packedBytes" class="selflink">#</a></p><p class="src"><a href="#v:packedChars">packedChars</a> :: <a href="Control-Lens-Type.html#t:Iso-39-">Iso'</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-String.html#t:String">String</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString-Lazy.html#t:ByteString">ByteString</a> <a href="src/Data-ByteString-Lens.html#packedChars" class="link">Source</a> <a href="#v:packedChars" class="selflink">#</a></p><p class="src"><a href="#v:bytes">bytes</a> :: <a href="Control-Lens-Type.html#t:IndexedTraversal-39-">IndexedTraversal'</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString-Lazy.html#t:ByteString">ByteString</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Word.html#t:Word8">Word8</a> <a href="src/Data-ByteString-Lens.html#bytes" class="link">Source</a> <a href="#v:bytes" class="selflink">#</a></p><p class="src"><a href="#v:chars">chars</a> :: <a href="Control-Lens-Type.html#t:IndexedTraversal-39-">IndexedTraversal'</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString-Lazy.html#t:ByteString">ByteString</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Char.html#t:Char">Char</a> <a href="src/Data-ByteString-Lens.html#chars" class="link">Source</a> <a href="#v:chars" class="selflink">#</a></p></div></div></td></tr><tr><td class="src clearfix"><span class="inst-left"><span id="control.i:ic:IsByteString:IsByteString:2" class="instance expander" onclick="toggleSection('i:ic:IsByteString:IsByteString:2')"></span> <a href="Data-ByteString-Lens.html#t:IsByteString">IsByteString</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#t:ByteString">ByteString</a></span> <a href="src/Data-ByteString-Lens.html#line-140" class="link">Source</a> <a href="#t:IsByteString" class="selflink">#</a></td><td class="doc empty"> </td></tr><tr><td colspan="2"><div id="section.i:ic:IsByteString:IsByteString:2" class="inst-details hide"><div class="subs methods"><p class="caption">Methods</p><p class="src"><a href="#v:packedBytes">packedBytes</a> :: <a href="Control-Lens-Type.html#t:Iso-39-">Iso'</a> [<a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Word.html#t:Word8">Word8</a>] <a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#t:ByteString">ByteString</a> <a href="src/Data-ByteString-Lens.html#packedBytes" class="link">Source</a> <a href="#v:packedBytes" class="selflink">#</a></p><p class="src"><a href="#v:packedChars">packedChars</a> :: <a href="Control-Lens-Type.html#t:Iso-39-">Iso'</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-String.html#t:String">String</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#t:ByteString">ByteString</a> <a href="src/Data-ByteString-Lens.html#packedChars" class="link">Source</a> <a href="#v:packedChars" class="selflink">#</a></p><p class="src"><a href="#v:bytes">bytes</a> :: <a href="Control-Lens-Type.html#t:IndexedTraversal-39-">IndexedTraversal'</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#t:ByteString">ByteString</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Word.html#t:Word8">Word8</a> <a href="src/Data-ByteString-Lens.html#bytes" class="link">Source</a> <a href="#v:bytes" class="selflink">#</a></p><p class="src"><a href="#v:chars">chars</a> :: <a href="Control-Lens-Type.html#t:IndexedTraversal-39-">IndexedTraversal'</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Int.html#t:Int">Int</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#t:ByteString">ByteString</a> <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Char.html#t:Char">Char</a> <a href="src/Data-ByteString-Lens.html#chars" class="link">Source</a> <a href="#v:chars" class="selflink">#</a></p></div></div></td></tr></table></div></div></div><div class="top"><p class="src"><a id="v:unpackedBytes" class="def">unpackedBytes</a> :: <a href="Data-ByteString-Lens.html#t:IsByteString">IsByteString</a> t => <a href="Control-Lens-Type.html#t:Iso-39-">Iso'</a> t [<a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Word.html#t:Word8">Word8</a>] <a href="src/Data-ByteString-Lens.html#unpackedBytes" class="link">Source</a> <a href="#v:unpackedBytes" class="selflink">#</a></p><div class="doc"><p><code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#v:unpack">unpack</a></code> (or <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#v:pack">pack</a></code>) a <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#t:ByteString">ByteString</a></code> into a list of bytes</p><pre><code><a href="Data-ByteString-Lens.html#v:unpackedBytes">unpackedBytes</a></code> ≡ <code><a href="Control-Lens-Iso.html#v:from">from</a></code> <code><a href="Data-ByteString-Lens.html#v:packedBytes">packedBytes</a></code>
<code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#v:unpack">unpack</a></code> x ≡ x <code><a href="Control-Lens-Getter.html#v:-94-.">^.</a></code> <code><a href="Data-ByteString-Lens.html#v:unpackedBytes">unpackedBytes</a></code>
<code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#v:pack">pack</a></code> x ≡ x <code><a href="Control-Lens-Getter.html#v:-94-.">^.</a></code> <code><a href="Control-Lens-Iso.html#v:from">from</a></code> <code><a href="Data-ByteString-Lens.html#v:unpackedBytes">unpackedBytes</a></code>
</pre><pre><code><a href="Data-ByteString-Lens.html#v:unpackedBytes">unpackedBytes</a></code> :: <code><a href="Control-Lens-Type.html#t:Iso-39-">Iso'</a></code> <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#v:ByteString">ByteString</a></code> [<code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Word.html#t:Word8">Word8</a></code>]
<code><a href="Data-ByteString-Lens.html#v:unpackedBytes">unpackedBytes</a></code> :: <code><a href="Control-Lens-Type.html#t:Iso-39-">Iso'</a></code> <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString-Lazy.html#v:ByteString">ByteString</a></code> [<code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Word.html#t:Word8">Word8</a></code>]
</pre></div></div><div class="top"><p class="src"><a id="v:unpackedChars" class="def">unpackedChars</a> :: <a href="Data-ByteString-Lens.html#t:IsByteString">IsByteString</a> t => <a href="Control-Lens-Type.html#t:Iso-39-">Iso'</a> t <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-String.html#t:String">String</a> <a href="src/Data-ByteString-Lens.html#unpackedChars" class="link">Source</a> <a href="#v:unpackedChars" class="selflink">#</a></p><div class="doc"><p><code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString-Char8.html#v:unpack">unpack</a></code> (or <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString-Char8.html#v:pack">pack</a></code>) a list of characters into a strict (or lazy) <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#t:ByteString">ByteString</a></code></p><p>When writing back to the <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#t:ByteString">ByteString</a></code> it is assumed that every <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Char.html#t:Char">Char</a></code>
lies between <code>'\x00'</code> and <code>'\xff'</code>.</p><pre><code><a href="Data-ByteString-Lens.html#v:unpackedChars">unpackedChars</a></code> ≡ <code><a href="Control-Lens-Iso.html#v:from">from</a></code> <code><a href="Data-ByteString-Lens.html#v:packedChars">packedChars</a></code>
<code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString-Char8.html#v:unpack">unpack</a></code> x ≡ x <code><a href="Control-Lens-Getter.html#v:-94-.">^.</a></code> <code><a href="Data-ByteString-Lens.html#v:unpackedChars">unpackedChars</a></code>
<code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString-Char8.html#v:pack">pack</a></code> x ≡ x <code><a href="Control-Lens-Getter.html#v:-94-.">^.</a></code> <code><a href="Control-Lens-Iso.html#v:from">from</a></code> <code><a href="Data-ByteString-Lens.html#v:unpackedChars">unpackedChars</a></code>
</pre><pre><code><a href="Data-ByteString-Lens.html#v:unpackedChars">unpackedChars</a></code> :: <code><a href="Control-Lens-Type.html#t:Iso-39-">Iso'</a></code> <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString.html#v:ByteString">ByteString</a></code> <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-String.html#t:String">String</a></code>
<code><a href="Data-ByteString-Lens.html#v:unpackedChars">unpackedChars</a></code> :: <code><a href="Control-Lens-Type.html#t:Iso-39-">Iso'</a></code> <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/bytestring-0.10.8.1/Data-ByteString-Lazy.html#v:ByteString">ByteString</a></code> <code><a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-String.html#t:String">String</a></code>
</pre></div></div><div class="top"><p class="src"><span class="keyword">pattern</span> <a id="v:Bytes" class="def">Bytes</a> :: <span class="keyword">forall</span> s. <a href="Data-ByteString-Lens.html#t:IsByteString">IsByteString</a> s => [<a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-Word.html#t:Word8">Word8</a>] -> s <a href="src/Data-ByteString-Lens.html#Bytes" class="link">Source</a> <a href="#v:Bytes" class="selflink">#</a></p></div><div class="top"><p class="src"><span class="keyword">pattern</span> <a id="v:Chars" class="def">Chars</a> :: <span class="keyword">forall</span> s. <a href="Data-ByteString-Lens.html#t:IsByteString">IsByteString</a> s => <a href="file:///usr/share/doc/ghc-doc/html/libraries/base-4.9.1.0/Data-String.html#t:String">String</a> -> s <a href="src/Data-ByteString-Lens.html#Chars" class="link">Source</a> <a href="#v:Chars" class="selflink">#</a></p></div></div></div><div id="footer"><p>Produced by <a href="http://www.haskell.org/haddock/">Haddock</a> version 2.17.3</p></div></body></html>
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