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<pre><a name="line-1"></a>
<a name="line-2"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Database</span><span class='hs-varop'>.</span><span class='hs-conid'>PostgreSQL</span><span class='hs-varop'>.</span><span class='hs-conid'>Parser</span>
<a name="line-3"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>Parser</span><span class='hs-layout'>,</span> <span class='hs-varid'>runParser</span><span class='hs-layout'>,</span> <span class='hs-varid'>evalParser</span>
<a name="line-4"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>eof</span>
<a name="line-5"></a>
<a name="line-6"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>netAddress</span>
<a name="line-7"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>v4HostAddress</span><span class='hs-layout'>,</span> <span class='hs-varid'>decMask4</span>
<a name="line-8"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>v6HostAddress</span><span class='hs-layout'>,</span> <span class='hs-varid'>decMask6</span>
<a name="line-9"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-10"></a>
<a name="line-11"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Applicative</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'><$></span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>pure</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'><*></span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'><*</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'>*></span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varop'><|></span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>many</span><span class='hs-layout'>,</span> <span class='hs-varid'>some</span><span class='hs-layout'>,</span> <span class='hs-varid'>optional</span><span class='hs-layout'>)</span>
<a name="line-12"></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-layout'>(</span><span class='hs-varid'>guard</span><span class='hs-layout'>,</span> <span class='hs-varid'>replicateM</span><span class='hs-layout'>)</span>
<a name="line-13"></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'>listToMaybe</span><span class='hs-layout'>,</span> <span class='hs-varid'>fromMaybe</span><span class='hs-layout'>)</span>
<a name="line-14"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Char</span> <span class='hs-layout'>(</span><span class='hs-varid'>isDigit</span><span class='hs-layout'>,</span> <span class='hs-varid'>isHexDigit</span><span class='hs-layout'>)</span>
<a name="line-15"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Word</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span><span class='hs-layout'>,</span> <span class='hs-conid'>Word16</span><span class='hs-layout'>)</span>
<a name="line-16"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Numeric</span> <span class='hs-layout'>(</span><span class='hs-varid'>readDec</span><span class='hs-layout'>,</span> <span class='hs-varid'>readHex</span><span class='hs-layout'>)</span>
<a name="line-17"></a>
<a name="line-18"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Parser</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <span class='hs-layout'>(</span><span class='hs-varid'>runParser</span><span class='hs-layout'>,</span> <span class='hs-varid'>evalParser</span><span class='hs-layout'>,</span> <span class='hs-varid'>eof</span><span class='hs-layout'>,</span> <span class='hs-varid'>noteP</span><span class='hs-layout'>,</span> <span class='hs-varid'>satisfy'</span><span class='hs-layout'>,</span> <span class='hs-varid'>satisfy</span><span class='hs-layout'>)</span>
<a name="line-19"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>Parser</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>P</span>
<a name="line-20"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>PostgreSQL</span><span class='hs-varop'>.</span><span class='hs-conid'>NetworkAddress</span> <span class='hs-layout'>(</span><span class='hs-conid'>NetAddress</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'>V4HostAddress</span><span class='hs-layout'>,</span> <span class='hs-conid'>V6HostAddress</span><span class='hs-layout'>)</span>
<a name="line-21"></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'>PostgreSQL</span><span class='hs-varop'>.</span><span class='hs-conid'>NetworkAddress</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>D</span>
<a name="line-22"></a>
<a name="line-23"></a>
<a name="line-24"></a><a name="Parser"></a><span class='hs-keyword'>type</span> <span class='hs-conid'>Parser</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>P</span><span class='hs-varop'>.</span><span class='hs-conid'>Parser</span> <span class='hs-conid'>Char</span>
<a name="line-25"></a>
<a name="line-26"></a><a name="digit"></a><span class='hs-definition'>digit</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>Char</span>
<a name="line-27"></a><span class='hs-definition'>digit</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>satisfy'</span> <span class='hs-str'>"digit"</span> <span class='hs-layout'>(</span><span class='hs-varid'>const</span> <span class='hs-str'>"must be digit."</span><span class='hs-layout'>)</span> <span class='hs-varid'>isDigit</span>
<a name="line-28"></a>
<a name="line-29"></a><a name="hexDigit"></a><span class='hs-definition'>hexDigit</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>Char</span>
<a name="line-30"></a><span class='hs-definition'>hexDigit</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>satisfy'</span> <span class='hs-str'>"hexDigit"</span> <span class='hs-layout'>(</span><span class='hs-varid'>const</span> <span class='hs-str'>"must be hex-digit."</span><span class='hs-layout'>)</span> <span class='hs-varid'>isHexDigit</span>
<a name="line-31"></a>
<a name="line-32"></a><a name="readNat"></a><span class='hs-definition'>readNat</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Integer</span>
<a name="line-33"></a><span class='hs-definition'>readNat</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>listToMaybe</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-layout'>,</span> <span class='hs-str'>""</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readDec</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>]</span> <span class='hs-comment'>-- readDec accept only positive</span>
<a name="line-34"></a>
<a name="line-35"></a><a name="readHexNat"></a><span class='hs-definition'>readHexNat</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Integer</span>
<a name="line-36"></a><span class='hs-definition'>readHexNat</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>listToMaybe</span> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>|</span> <span class='hs-layout'>(</span><span class='hs-varid'>i</span><span class='hs-layout'>,</span> <span class='hs-str'>""</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>readHex</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>]</span>
<a name="line-37"></a>
<a name="line-38"></a><a name="nat"></a><span class='hs-definition'>nat</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>Integer</span>
<a name="line-39"></a><span class='hs-definition'>nat</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-40"></a> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>some</span> <span class='hs-varid'>digit</span>
<a name="line-41"></a> <span class='hs-varid'>noteP</span> <span class='hs-str'>"nat: invalid input"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>readNat</span> <span class='hs-varid'>xs</span>
<a name="line-42"></a>
<a name="line-43"></a><a name="hexNat"></a><span class='hs-definition'>hexNat</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>Integer</span>
<a name="line-44"></a><span class='hs-definition'>hexNat</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-45"></a> <span class='hs-varid'>xs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>some</span> <span class='hs-varid'>hexDigit</span>
<a name="line-46"></a> <span class='hs-varid'>noteP</span> <span class='hs-str'>"hexNat: invalid input"</span> <span class='hs-varop'>$</span> <span class='hs-varid'>readHexNat</span> <span class='hs-varid'>xs</span>
<a name="line-47"></a>
<a name="line-48"></a><a name="rangedNat"></a><span class='hs-definition'>rangedNat</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Integral</span> <span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Integer</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Parser</span> <span class='hs-varid'>a</span>
<a name="line-49"></a><span class='hs-definition'>rangedNat</span> <span class='hs-varid'>n</span> <span class='hs-varid'>x</span> <span class='hs-varid'>i</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-50"></a> <span class='hs-varid'>noteP</span> <span class='hs-layout'>(</span><span class='hs-varid'>concat</span> <span class='hs-keyglyph'>[</span><span class='hs-str'>"rangedNat: out of range: "</span><span class='hs-layout'>,</span> <span class='hs-varid'>show</span> <span class='hs-varid'>i</span><span class='hs-layout'>,</span> <span class='hs-str'>": ["</span><span class='hs-layout'>,</span> <span class='hs-varid'>show</span> <span class='hs-varid'>n</span><span class='hs-layout'>,</span> <span class='hs-str'>", "</span><span class='hs-layout'>,</span> <span class='hs-varid'>show</span> <span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-str'>"]"</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-51"></a> <span class='hs-varop'>.</span> <span class='hs-varid'>guard</span> <span class='hs-varop'>$</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>n</span> <span class='hs-varop'><=</span> <span class='hs-varid'>i</span> <span class='hs-varop'>&&</span> <span class='hs-varid'>i</span> <span class='hs-varop'><=</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span>
<a name="line-52"></a> <span class='hs-varid'>pure</span> <span class='hs-varop'>$</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-varid'>i</span>
<a name="line-53"></a>
<a name="line-54"></a><a name="decW8"></a><span class='hs-definition'>decW8</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>Word8</span>
<a name="line-55"></a><span class='hs-definition'>decW8</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rangedNat</span> <span class='hs-varid'>minBound</span> <span class='hs-varid'>maxBound</span> <span class='hs-varop'>=<<</span> <span class='hs-varid'>nat</span>
<a name="line-56"></a>
<a name="line-57"></a><a name="hexW16"></a><span class='hs-definition'>hexW16</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>Word16</span>
<a name="line-58"></a><span class='hs-definition'>hexW16</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rangedNat</span> <span class='hs-varid'>minBound</span> <span class='hs-varid'>maxBound</span> <span class='hs-varop'>=<<</span> <span class='hs-varid'>hexNat</span>
<a name="line-59"></a>
<a name="line-60"></a><a name="char"></a><span class='hs-definition'>char</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Char</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>Char</span>
<a name="line-61"></a><span class='hs-definition'>char</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>satisfy</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-62"></a>
<a name="line-63"></a><a name="dot"></a><span class='hs-definition'>dot</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>Char</span>
<a name="line-64"></a><span class='hs-definition'>dot</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>char</span> <span class='hs-chr'>'.'</span>
<a name="line-65"></a>
<a name="line-66"></a><a name="colon"></a><span class='hs-definition'>colon</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>Char</span>
<a name="line-67"></a><span class='hs-definition'>colon</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>char</span> <span class='hs-chr'>':'</span>
<a name="line-68"></a>
<a name="line-69"></a><a name="slash"></a><span class='hs-definition'>slash</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>Char</span>
<a name="line-70"></a><span class='hs-definition'>slash</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>char</span> <span class='hs-chr'>'/'</span>
<a name="line-71"></a>
<a name="line-72"></a><a name="v4HostAddress"></a><span class='hs-definition'>v4HostAddress</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>V4HostAddress</span>
<a name="line-73"></a><span class='hs-definition'>v4HostAddress</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>D</span><span class='hs-varop'>.</span><span class='hs-conid'>V4HostAddress</span> <span class='hs-varop'><$></span> <span class='hs-varid'>decW8</span> <span class='hs-varop'><*</span> <span class='hs-varid'>dot</span> <span class='hs-varop'><*></span> <span class='hs-varid'>decW8</span> <span class='hs-varop'><*</span> <span class='hs-varid'>dot</span> <span class='hs-varop'><*></span> <span class='hs-varid'>decW8</span> <span class='hs-varop'><*</span> <span class='hs-varid'>dot</span> <span class='hs-varop'><*></span> <span class='hs-varid'>decW8</span>
<a name="line-74"></a>
<a name="line-75"></a><span class='hs-sel'>_exampleHostAddress</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-conid'>V4HostAddress</span><span class='hs-keyglyph'>]</span>
<a name="line-76"></a><span class='hs-sel'>_exampleHostAddress</span> <span class='hs-keyglyph'>=</span>
<a name="line-77"></a> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>evalParser</span> <span class='hs-layout'>(</span><span class='hs-varid'>v4HostAddress</span> <span class='hs-varop'><*</span> <span class='hs-varid'>eof</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span>
<a name="line-78"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyglyph'>[</span> <span class='hs-str'>"0.0.0.0"</span><span class='hs-layout'>,</span> <span class='hs-str'>"192.168.0.1"</span> <span class='hs-keyglyph'>]</span>
<a name="line-79"></a> <span class='hs-keyglyph'>]</span>
<a name="line-80"></a>
<a name="line-81"></a><a name="mask4bits"></a><span class='hs-definition'>mask4bits</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Word8</span>
<a name="line-82"></a><span class='hs-definition'>mask4bits</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>32</span>
<a name="line-83"></a>
<a name="line-84"></a><a name="decMask4"></a><span class='hs-definition'>decMask4</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>Word8</span>
<a name="line-85"></a><span class='hs-definition'>decMask4</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rangedNat</span> <span class='hs-num'>0</span> <span class='hs-varid'>mask4bits</span> <span class='hs-varop'>=<<</span> <span class='hs-varid'>nat</span>
<a name="line-86"></a>
<a name="line-87"></a><a name="v6words"></a><span class='hs-definition'>v6words</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Word16</span><span class='hs-keyglyph'>]</span>
<a name="line-88"></a><span class='hs-definition'>v6words</span> <span class='hs-keyglyph'>=</span>
<a name="line-89"></a> <span class='hs-layout'>(</span><span class='hs-conop'>:</span><span class='hs-layout'>)</span> <span class='hs-varop'><$></span> <span class='hs-varid'>hexW16</span> <span class='hs-varop'><*></span> <span class='hs-varid'>many</span> <span class='hs-layout'>(</span><span class='hs-varid'>colon</span> <span class='hs-varop'>*></span> <span class='hs-varid'>hexW16</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span>
<a name="line-90"></a> <span class='hs-varid'>pure</span> <span class='hs-conid'>[]</span>
<a name="line-91"></a>
<a name="line-92"></a><a name="doubleColon6"></a><span class='hs-definition'>doubleColon6</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>V6HostAddress</span>
<a name="line-93"></a><span class='hs-definition'>doubleColon6</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-94"></a> <span class='hs-varid'>m6</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>D</span><span class='hs-varop'>.</span><span class='hs-varid'>v6HostAddress</span> <span class='hs-varop'><$></span> <span class='hs-varid'>v6words</span> <span class='hs-varop'><*</span> <span class='hs-varid'>replicateM</span> <span class='hs-num'>2</span> <span class='hs-varid'>colon</span> <span class='hs-varop'><*></span> <span class='hs-varid'>v6words</span>
<a name="line-95"></a> <span class='hs-varid'>noteP</span> <span class='hs-str'>"v6HostAddress: Too many numbers of 16-bit words."</span> <span class='hs-varid'>m6</span>
<a name="line-96"></a>
<a name="line-97"></a><a name="v6HostAddress"></a><span class='hs-definition'>v6HostAddress</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>V6HostAddress</span>
<a name="line-98"></a><span class='hs-definition'>v6HostAddress</span> <span class='hs-keyglyph'>=</span>
<a name="line-99"></a> <span class='hs-varid'>doubleColon6</span> <span class='hs-varop'><|></span>
<a name="line-100"></a> <span class='hs-conid'>D</span><span class='hs-varop'>.</span><span class='hs-varid'>v6HostAddressLong</span>
<a name="line-101"></a> <span class='hs-varop'><$></span> <span class='hs-varid'>hexW16</span> <span class='hs-varop'><*</span> <span class='hs-varid'>colon</span> <span class='hs-varop'><*></span> <span class='hs-varid'>hexW16</span> <span class='hs-varop'><*</span> <span class='hs-varid'>colon</span>
<a name="line-102"></a> <span class='hs-varop'><*></span> <span class='hs-varid'>hexW16</span> <span class='hs-varop'><*</span> <span class='hs-varid'>colon</span> <span class='hs-varop'><*></span> <span class='hs-varid'>hexW16</span> <span class='hs-varop'><*</span> <span class='hs-varid'>colon</span>
<a name="line-103"></a> <span class='hs-varop'><*></span> <span class='hs-varid'>hexW16</span> <span class='hs-varop'><*</span> <span class='hs-varid'>colon</span> <span class='hs-varop'><*></span> <span class='hs-varid'>hexW16</span> <span class='hs-varop'><*</span> <span class='hs-varid'>colon</span>
<a name="line-104"></a> <span class='hs-varop'><*></span> <span class='hs-varid'>hexW16</span> <span class='hs-varop'><*</span> <span class='hs-varid'>colon</span> <span class='hs-varop'><*></span> <span class='hs-varid'>hexW16</span>
<a name="line-105"></a>
<a name="line-106"></a><span class='hs-sel'>_exampleHostAddress6</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-conid'>V6HostAddress</span><span class='hs-keyglyph'>]</span>
<a name="line-107"></a><span class='hs-sel'>_exampleHostAddress6</span> <span class='hs-keyglyph'>=</span>
<a name="line-108"></a> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>evalParser</span> <span class='hs-layout'>(</span><span class='hs-varid'>v6HostAddress</span> <span class='hs-varop'><*</span> <span class='hs-varid'>eof</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span>
<a name="line-109"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyglyph'>[</span> <span class='hs-str'>"::"</span><span class='hs-layout'>,</span> <span class='hs-str'>"0:0:0:0:0:0:0:0"</span><span class='hs-layout'>,</span> <span class='hs-str'>"2001:1::1:a2"</span><span class='hs-layout'>,</span> <span class='hs-str'>"1:1:1:1:1:1:1:a1"</span> <span class='hs-keyglyph'>]</span>
<a name="line-110"></a> <span class='hs-keyglyph'>]</span>
<a name="line-111"></a>
<a name="line-112"></a><a name="mask6bits"></a><span class='hs-definition'>mask6bits</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Word8</span>
<a name="line-113"></a><span class='hs-definition'>mask6bits</span> <span class='hs-keyglyph'>=</span> <span class='hs-num'>128</span>
<a name="line-114"></a>
<a name="line-115"></a><a name="decMask6"></a><span class='hs-definition'>decMask6</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>Word8</span>
<a name="line-116"></a><span class='hs-definition'>decMask6</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>rangedNat</span> <span class='hs-num'>0</span> <span class='hs-varid'>mask6bits</span> <span class='hs-varop'>=<<</span> <span class='hs-varid'>nat</span>
<a name="line-117"></a>
<a name="line-118"></a><a name="optional'"></a><span class='hs-definition'>optional'</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Parser</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Parser</span> <span class='hs-varid'>a</span>
<a name="line-119"></a><span class='hs-definition'>optional'</span> <span class='hs-varid'>x</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span>
<a name="line-120"></a> <span class='hs-varid'>fromMaybe</span> <span class='hs-varid'>x</span> <span class='hs-varop'><$></span> <span class='hs-varid'>optional</span> <span class='hs-varid'>p</span>
<a name="line-121"></a>
<a name="line-122"></a><a name="netAddress"></a><span class='hs-definition'>netAddress</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Parser</span> <span class='hs-conid'>NetAddress</span>
<a name="line-123"></a><span class='hs-definition'>netAddress</span> <span class='hs-keyglyph'>=</span>
<a name="line-124"></a> <span class='hs-conid'>NetAddress4</span> <span class='hs-varop'><$></span> <span class='hs-varid'>v4HostAddress</span> <span class='hs-varop'><*></span> <span class='hs-varid'>optional'</span> <span class='hs-varid'>mask4bits</span> <span class='hs-layout'>(</span><span class='hs-varid'>slash</span> <span class='hs-varop'>*></span> <span class='hs-varid'>decMask4</span><span class='hs-layout'>)</span> <span class='hs-varop'><|></span>
<a name="line-125"></a> <span class='hs-conid'>NetAddress6</span> <span class='hs-varop'><$></span> <span class='hs-varid'>v6HostAddress</span> <span class='hs-varop'><*></span> <span class='hs-varid'>optional'</span> <span class='hs-varid'>mask6bits</span> <span class='hs-layout'>(</span><span class='hs-varid'>slash</span> <span class='hs-varop'>*></span> <span class='hs-varid'>decMask6</span><span class='hs-layout'>)</span>
<a name="line-126"></a>
<a name="line-127"></a><span class='hs-sel'>_exampleNetAddress</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>Either</span> <span class='hs-conid'>String</span> <span class='hs-conid'>NetAddress</span><span class='hs-keyglyph'>]</span>
<a name="line-128"></a><span class='hs-sel'>_exampleNetAddress</span> <span class='hs-keyglyph'>=</span>
<a name="line-129"></a> <span class='hs-keyglyph'>[</span> <span class='hs-varid'>evalParser</span> <span class='hs-layout'>(</span><span class='hs-varid'>netAddress</span> <span class='hs-varop'><*</span> <span class='hs-varid'>eof</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span>
<a name="line-130"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>s</span> <span class='hs-keyglyph'><-</span> <span class='hs-keyglyph'>[</span> <span class='hs-str'>"2001:1::a0:a2/64"</span><span class='hs-layout'>,</span> <span class='hs-str'>"172.16.0.0"</span> <span class='hs-keyglyph'>]</span>
<a name="line-131"></a> <span class='hs-keyglyph'>]</span>
</pre></body>
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