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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>Yesod.Content</title><link href="ocean.css" rel="stylesheet" type="text/css" title="Ocean" /><script src="haddock-util.js" type="text/javascript"></script><script type="text/javascript">//<![CDATA[
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</script></head><body><div id="package-header"><ul class="links" id="page-menu"><li><a href="src/Yesod-Content.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">yesod-core-0.10.2.1: Creation of type-safe, RESTful web applications.</p></div><div id="content"><div id="module-header"><table class="info"><tr><th>Safe Haskell</th><td>Safe-Infered</td></tr></table><p class="caption">Yesod.Content</p></div><div id="table-of-contents"><p class="caption">Contents</p><ul><li><a href="#g:1">Content
</a></li><li><a href="#g:2">Mime types
</a><ul><li><a href="#g:3">Data type
</a></li></ul></li><li><a href="#g:4">Utilities
</a></li><li><a href="#g:5">Representations
</a><ul><li><a href="#g:6">Specific content types
</a></li></ul></li><li><a href="#g:7">Utilities
</a></li></ul></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">data</span> <a href="#t:Content">Content</a> <ul class="subs"><li>= <a href="#v:ContentBuilder">ContentBuilder</a> <a href="/usr/share/doc/libghc-blaze-builder-doc/html/Blaze-ByteString-Builder-Internal-Types.html#t:Builder">Builder</a> (<a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Maybe.html#t:Maybe">Maybe</a> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>) </li><li>| <a href="#v:ContentSource">ContentSource</a> (Source <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> (Flush <a href="/usr/share/doc/libghc-blaze-builder-doc/html/Blaze-ByteString-Builder-Internal-Types.html#t:Builder">Builder</a>)) </li><li>| <a href="#v:ContentFile">ContentFile</a> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:FilePath">FilePath</a> (<a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Maybe.html#t:Maybe">Maybe</a> <a href="/usr/share/doc/libghc-wai-doc/html/Network-Wai.html#t:FilePart">FilePart</a>) </li></ul></li><li class="src short"><a href="#v:emptyContent">emptyContent</a> :: <a href="Yesod-Content.html#t:Content">Content</a></li><li class="src short"><span class="keyword">class</span> <a href="#t:ToContent">ToContent</a> a <span class="keyword">where</span><ul class="subs"><li><a href="#v:toContent">toContent</a> :: a -> <a href="Yesod-Content.html#t:Content">Content</a></li></ul></li><li class="src short"><span class="keyword">type</span> <a href="#t:ContentType">ContentType</a> = <a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.9.2.1/Data-ByteString.html#t:ByteString">ByteString</a></li><li class="src short"><a href="#v:typeHtml">typeHtml</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a></li><li class="src short"><a href="#v:typePlain">typePlain</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a></li><li class="src short"><a href="#v:typeJson">typeJson</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a></li><li class="src short"><a href="#v:typeXml">typeXml</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a></li><li class="src short"><a href="#v:typeAtom">typeAtom</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a></li><li class="src short"><a href="#v:typeRss">typeRss</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a></li><li class="src short"><a href="#v:typeJpeg">typeJpeg</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a></li><li class="src short"><a href="#v:typePng">typePng</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a></li><li class="src short"><a href="#v:typeGif">typeGif</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a></li><li class="src short"><a href="#v:typeSvg">typeSvg</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a></li><li class="src short"><a href="#v:typeJavascript">typeJavascript</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a></li><li class="src short"><a href="#v:typeCss">typeCss</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a></li><li class="src short"><a href="#v:typeFlv">typeFlv</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a></li><li class="src short"><a href="#v:typeOgv">typeOgv</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a></li><li class="src short"><a href="#v:typeOctet">typeOctet</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a></li><li class="src short"><a href="#v:simpleContentType">simpleContentType</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a> -> <a href="Yesod-Content.html#t:ContentType">ContentType</a></li><li class="src short"><span class="keyword">type</span> <a href="#t:ChooseRep">ChooseRep</a> = [<a href="Yesod-Content.html#t:ContentType">ContentType</a>] -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> (<a href="Yesod-Content.html#t:ContentType">ContentType</a>, <a href="Yesod-Content.html#t:Content">Content</a>)</li><li class="src short"><span class="keyword">class</span> <a href="#t:HasReps">HasReps</a> a <span class="keyword">where</span><ul class="subs"><li><a href="#v:chooseRep">chooseRep</a> :: a -> <a href="Yesod-Content.html#t:ChooseRep">ChooseRep</a></li></ul></li><li class="src short"><a href="#v:defChooseRep">defChooseRep</a> :: [(<a href="Yesod-Content.html#t:ContentType">ContentType</a>, a -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Yesod-Content.html#t:Content">Content</a>)] -> a -> <a href="Yesod-Content.html#t:ChooseRep">ChooseRep</a></li><li class="src short"><span class="keyword">newtype</span> <a href="#t:RepHtml">RepHtml</a> = <a href="#v:RepHtml">RepHtml</a> <a href="Yesod-Content.html#t:Content">Content</a></li><li class="src short"><span class="keyword">newtype</span> <a href="#t:RepJson">RepJson</a> = <a href="#v:RepJson">RepJson</a> <a href="Yesod-Content.html#t:Content">Content</a></li><li class="src short"><span class="keyword">data</span> <a href="#t:RepHtmlJson">RepHtmlJson</a> = <a href="#v:RepHtmlJson">RepHtmlJson</a> <a href="Yesod-Content.html#t:Content">Content</a> <a href="Yesod-Content.html#t:Content">Content</a></li><li class="src short"><span class="keyword">newtype</span> <a href="#t:RepPlain">RepPlain</a> = <a href="#v:RepPlain">RepPlain</a> <a href="Yesod-Content.html#t:Content">Content</a></li><li class="src short"><span class="keyword">newtype</span> <a href="#t:RepXml">RepXml</a> = <a href="#v:RepXml">RepXml</a> <a href="Yesod-Content.html#t:Content">Content</a></li><li class="src short"><a href="#v:formatW3">formatW3</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/time-1.4/Data-Time-Clock.html#t:UTCTime">UTCTime</a> -> <a href="/usr/share/doc/libghc-text-doc/html/Data-Text-Internal.html#t:Text">Text</a></li><li class="src short"><a href="#v:formatRFC1123">formatRFC1123</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/time-1.4/Data-Time-Clock.html#t:UTCTime">UTCTime</a> -> <a href="/usr/share/doc/libghc-text-doc/html/Data-Text-Internal.html#t:Text">Text</a></li><li class="src short"><a href="#v:formatRFC822">formatRFC822</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/time-1.4/Data-Time-Clock.html#t:UTCTime">UTCTime</a> -> <a href="/usr/share/doc/libghc-text-doc/html/Data-Text-Internal.html#t:Text">Text</a></li></ul></div><div id="interface"><h1 id="g:1">Content
</h1><div class="top"><p class="src"><span class="keyword">data</span> <a name="t:Content" class="def">Content</a> <a href="src/Yesod-Content.html#Content" class="link">Source</a></p><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:ContentBuilder" class="def">ContentBuilder</a> <a href="/usr/share/doc/libghc-blaze-builder-doc/html/Blaze-ByteString-Builder-Internal-Types.html#t:Builder">Builder</a> (<a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Maybe.html#t:Maybe">Maybe</a> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Int.html#t:Int">Int</a>)</td><td class="doc"><p>The content and optional content length.
</p></td></tr><tr><td class="src"><a name="v:ContentSource" class="def">ContentSource</a> (Source <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> (Flush <a href="/usr/share/doc/libghc-blaze-builder-doc/html/Blaze-ByteString-Builder-Internal-Types.html#t:Builder">Builder</a>))</td><td class="doc empty"> </td></tr><tr><td class="src"><a name="v:ContentFile" class="def">ContentFile</a> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:FilePath">FilePath</a> (<a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-Maybe.html#t:Maybe">Maybe</a> <a href="/usr/share/doc/libghc-wai-doc/html/Network-Wai.html#t:FilePart">FilePart</a>)</td><td class="doc empty"> </td></tr></table></div><div class="subs instances"><p id="control.i:Content" class="caption collapser" onclick="toggleSection('i:Content')">Instances</p><div id="section.i:Content" class="show"><table><tr><td class="src"><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-String.html#t:IsString">IsString</a> <a href="Yesod-Content.html#t:Content">Content</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Yesod-Content.html#t:HasReps">HasReps</a> <a href="Yesod-Content.html#t:ChooseRep">ChooseRep</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Yesod-Content.html#t:HasReps">HasReps</a> [(<a href="Yesod-Content.html#t:ContentType">ContentType</a>, <a href="Yesod-Content.html#t:Content">Content</a>)]</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Yesod-Content.html#t:HasReps">HasReps</a> (<a href="Yesod-Content.html#t:ContentType">ContentType</a>, <a href="Yesod-Content.html#t:Content">Content</a>)</td><td class="doc empty"> </td></tr></table></div></div></div><div class="top"><p class="src"><a name="v:emptyContent" class="def">emptyContent</a> :: <a href="Yesod-Content.html#t:Content">Content</a><a href="src/Yesod-Content.html#emptyContent" class="link">Source</a></p><div class="doc"><p>Zero-length enumerator.
</p></div></div><div class="top"><p class="src"><span class="keyword">class</span> <a name="t:ToContent" class="def">ToContent</a> a <span class="keyword">where</span><a href="src/Yesod-Content.html#ToContent" class="link">Source</a></p><div class="doc"><p>Anything which can be converted into <code><a href="Yesod-Content.html#t:Content">Content</a></code>. Most of the time, you will
want to use the <code><a href="Yesod-Content.html#v:ContentBuilder">ContentBuilder</a></code> constructor. An easier approach will be to use
a pre-defined <code><a href="Yesod-Content.html#v:toContent">toContent</a></code> function, such as converting your data into a lazy
bytestring and then calling <code><a href="Yesod-Content.html#v:toContent">toContent</a></code> on that.
</p><p>Please note that the built-in instances for lazy data structures (<code><a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-String.html#t:String">String</a></code>,
lazy <code><a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.9.2.1/Data-ByteString-Lazy.html#t:ByteString">ByteString</a></code>, lazy <code><a href="/usr/share/doc/libghc-text-doc/html/Data-Text-Lazy-Internal.html#t:Text">Text</a></code> and <code><a href="/usr/share/doc/libghc-blaze-html-doc/html/Text-Blaze-Internal.html#t:Html">Html</a></code>) will not automatically include
the content length for the <code><a href="Yesod-Content.html#v:ContentBuilder">ContentBuilder</a></code> constructor.
</p></div><div class="subs methods"><p class="caption">Methods</p><p class="src"><a name="v:toContent" class="def">toContent</a> :: a -> <a href="Yesod-Content.html#t:Content">Content</a><a href="src/Yesod-Content.html#toContent" class="link">Source</a></p></div><div class="subs instances"><p id="control.i:ToContent" class="caption collapser" onclick="toggleSection('i:ToContent')">Instances</p><div id="section.i:ToContent" class="show"><table><tr><td class="src"><a href="Yesod-Content.html#t:ToContent">ToContent</a> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/Data-String.html#t:String">String</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Yesod-Content.html#t:ToContent">ToContent</a> <a href="/usr/share/doc/libghc-text-doc/html/Data-Text-Lazy-Internal.html#t:Text">Text</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Yesod-Content.html#t:ToContent">ToContent</a> <a href="/usr/share/doc/libghc-text-doc/html/Data-Text-Internal.html#t:Text">Text</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Yesod-Content.html#t:ToContent">ToContent</a> <a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.9.2.1/Data-ByteString.html#t:ByteString">ByteString</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Yesod-Content.html#t:ToContent">ToContent</a> <a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.9.2.1/Data-ByteString-Lazy.html#t:ByteString">ByteString</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Yesod-Content.html#t:ToContent">ToContent</a> <a href="/usr/share/doc/libghc-blaze-builder-doc/html/Blaze-ByteString-Builder-Internal-Types.html#t:Builder">Builder</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Yesod-Content.html#t:ToContent">ToContent</a> <a href="/usr/share/doc/libghc-blaze-html-doc/html/Text-Blaze-Internal.html#t:Html">Html</a></td><td class="doc empty"> </td></tr></table></div></div></div><h1 id="g:2">Mime types
</h1><h2 id="g:3">Data type
</h2><div class="top"><p class="src"><span class="keyword">type</span> <a name="t:ContentType" class="def">ContentType</a> = <a href="/usr/share/doc/ghc-doc/html/libraries/bytestring-0.9.2.1/Data-ByteString.html#t:ByteString">ByteString</a><a href="src/Yesod-Content.html#ContentType" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:typeHtml" class="def">typeHtml</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a><a href="src/Yesod-Content.html#typeHtml" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:typePlain" class="def">typePlain</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a><a href="src/Yesod-Content.html#typePlain" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:typeJson" class="def">typeJson</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a><a href="src/Yesod-Content.html#typeJson" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:typeXml" class="def">typeXml</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a><a href="src/Yesod-Content.html#typeXml" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:typeAtom" class="def">typeAtom</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a><a href="src/Yesod-Content.html#typeAtom" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:typeRss" class="def">typeRss</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a><a href="src/Yesod-Content.html#typeRss" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:typeJpeg" class="def">typeJpeg</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a><a href="src/Yesod-Content.html#typeJpeg" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:typePng" class="def">typePng</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a><a href="src/Yesod-Content.html#typePng" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:typeGif" class="def">typeGif</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a><a href="src/Yesod-Content.html#typeGif" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:typeSvg" class="def">typeSvg</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a><a href="src/Yesod-Content.html#typeSvg" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:typeJavascript" class="def">typeJavascript</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a><a href="src/Yesod-Content.html#typeJavascript" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:typeCss" class="def">typeCss</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a><a href="src/Yesod-Content.html#typeCss" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:typeFlv" class="def">typeFlv</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a><a href="src/Yesod-Content.html#typeFlv" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:typeOgv" class="def">typeOgv</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a><a href="src/Yesod-Content.html#typeOgv" class="link">Source</a></p></div><div class="top"><p class="src"><a name="v:typeOctet" class="def">typeOctet</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a><a href="src/Yesod-Content.html#typeOctet" class="link">Source</a></p></div><h1 id="g:4">Utilities
</h1><div class="top"><p class="src"><a name="v:simpleContentType" class="def">simpleContentType</a> :: <a href="Yesod-Content.html#t:ContentType">ContentType</a> -> <a href="Yesod-Content.html#t:ContentType">ContentType</a><a href="src/Yesod-Content.html#simpleContentType" class="link">Source</a></p><div class="doc"><p>Removes "extra" information at the end of a content type string. In
particular, removes everything after the semicolon, if present.
</p><p>For example, "text/html; charset=utf-8" is commonly used to specify the
character encoding for HTML data. This function would return "text/html".
</p></div></div><h1 id="g:5">Representations
</h1><div class="top"><p class="src"><span class="keyword">type</span> <a name="t:ChooseRep" class="def">ChooseRep</a><a href="src/Yesod-Content.html#ChooseRep" class="link">Source</a></p><div class="subs arguments"><p class="caption">Arguments</p><table><tr><td class="src"> = [<a href="Yesod-Content.html#t:ContentType">ContentType</a>]</td><td class="doc"><p>list of content-types user accepts, ordered by preference
</p></td></tr><tr><td class="src">-> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> (<a href="Yesod-Content.html#t:ContentType">ContentType</a>, <a href="Yesod-Content.html#t:Content">Content</a>)</td><td class="doc empty"> </td></tr></table></div><div class="doc"><p>A function which gives targetted representations of content based on the
content-types the user accepts.
</p></div></div><div class="top"><p class="src"><span class="keyword">class</span> <a name="t:HasReps" class="def">HasReps</a> a <span class="keyword">where</span><a href="src/Yesod-Content.html#HasReps" class="link">Source</a></p><div class="doc"><p>Any type which can be converted to representations.
</p></div><div class="subs methods"><p class="caption">Methods</p><p class="src"><a name="v:chooseRep" class="def">chooseRep</a> :: a -> <a href="Yesod-Content.html#t:ChooseRep">ChooseRep</a><a href="src/Yesod-Content.html#chooseRep" class="link">Source</a></p></div><div class="subs instances"><p id="control.i:HasReps" class="caption collapser" onclick="toggleSection('i:HasReps')">Instances</p><div id="section.i:HasReps" class="show"><table><tr><td class="src"><a href="Yesod-Content.html#t:HasReps">HasReps</a> ()</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Yesod-Content.html#t:HasReps">HasReps</a> <a href="Yesod-Content.html#t:RepXml">RepXml</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Yesod-Content.html#t:HasReps">HasReps</a> <a href="Yesod-Content.html#t:RepPlain">RepPlain</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Yesod-Content.html#t:HasReps">HasReps</a> <a href="Yesod-Content.html#t:RepHtmlJson">RepHtmlJson</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Yesod-Content.html#t:HasReps">HasReps</a> <a href="Yesod-Content.html#t:RepJson">RepJson</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Yesod-Content.html#t:HasReps">HasReps</a> <a href="Yesod-Content.html#t:RepHtml">RepHtml</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Yesod-Content.html#t:HasReps">HasReps</a> <a href="Yesod-Content.html#t:ChooseRep">ChooseRep</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Yesod-Content.html#t:HasReps">HasReps</a> [(<a href="Yesod-Content.html#t:ContentType">ContentType</a>, <a href="Yesod-Content.html#t:Content">Content</a>)]</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Yesod-Content.html#t:HasReps">HasReps</a> (<a href="Yesod-Content.html#t:ContentType">ContentType</a>, <a href="Yesod-Content.html#t:Content">Content</a>)</td><td class="doc empty"> </td></tr></table></div></div></div><div class="top"><p class="src"><a name="v:defChooseRep" class="def">defChooseRep</a> :: [(<a href="Yesod-Content.html#t:ContentType">ContentType</a>, a -> <a href="/usr/share/doc/ghc-doc/html/libraries/base-4.5.0.0/System-IO.html#t:IO">IO</a> <a href="Yesod-Content.html#t:Content">Content</a>)] -> a -> <a href="Yesod-Content.html#t:ChooseRep">ChooseRep</a><a href="src/Yesod-Content.html#defChooseRep" class="link">Source</a></p><div class="doc"><p>A helper method for generating <code><a href="Yesod-Content.html#t:HasReps">HasReps</a></code> instances.
</p><p>This function should be given a list of pairs of content type and conversion
functions. If none of the content types match, the first pair is used.
</p></div></div><h2 id="g:6">Specific content types
</h2><div class="top"><p class="src"><span class="keyword">newtype</span> <a name="t:RepHtml" class="def">RepHtml</a> <a href="src/Yesod-Content.html#RepHtml" class="link">Source</a></p><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:RepHtml" class="def">RepHtml</a> <a href="Yesod-Content.html#t:Content">Content</a></td><td class="doc empty"> </td></tr></table></div><div class="subs instances"><p id="control.i:RepHtml" class="caption collapser" onclick="toggleSection('i:RepHtml')">Instances</p><div id="section.i:RepHtml" class="show"><table><tr><td class="src"><a href="Yesod-Content.html#t:HasReps">HasReps</a> <a href="Yesod-Content.html#t:RepHtml">RepHtml</a></td><td class="doc empty"> </td></tr></table></div></div></div><div class="top"><p class="src"><span class="keyword">newtype</span> <a name="t:RepJson" class="def">RepJson</a> <a href="src/Yesod-Content.html#RepJson" class="link">Source</a></p><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:RepJson" class="def">RepJson</a> <a href="Yesod-Content.html#t:Content">Content</a></td><td class="doc empty"> </td></tr></table></div><div class="subs instances"><p id="control.i:RepJson" class="caption collapser" onclick="toggleSection('i:RepJson')">Instances</p><div id="section.i:RepJson" class="show"><table><tr><td class="src"><a href="Yesod-Content.html#t:HasReps">HasReps</a> <a href="Yesod-Content.html#t:RepJson">RepJson</a></td><td class="doc empty"> </td></tr></table></div></div></div><div class="top"><p class="src"><span class="keyword">data</span> <a name="t:RepHtmlJson" class="def">RepHtmlJson</a> <a href="src/Yesod-Content.html#RepHtmlJson" class="link">Source</a></p><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:RepHtmlJson" class="def">RepHtmlJson</a> <a href="Yesod-Content.html#t:Content">Content</a> <a href="Yesod-Content.html#t:Content">Content</a></td><td class="doc empty"> </td></tr></table></div><div class="subs instances"><p id="control.i:RepHtmlJson" class="caption collapser" onclick="toggleSection('i:RepHtmlJson')">Instances</p><div id="section.i:RepHtmlJson" class="show"><table><tr><td class="src"><a href="Yesod-Content.html#t:HasReps">HasReps</a> <a href="Yesod-Content.html#t:RepHtmlJson">RepHtmlJson</a></td><td class="doc empty"> </td></tr></table></div></div></div><div class="top"><p class="src"><span class="keyword">newtype</span> <a name="t:RepPlain" class="def">RepPlain</a> <a href="src/Yesod-Content.html#RepPlain" class="link">Source</a></p><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:RepPlain" class="def">RepPlain</a> <a href="Yesod-Content.html#t:Content">Content</a></td><td class="doc empty"> </td></tr></table></div><div class="subs instances"><p id="control.i:RepPlain" class="caption collapser" onclick="toggleSection('i:RepPlain')">Instances</p><div id="section.i:RepPlain" class="show"><table><tr><td class="src"><a href="Yesod-Content.html#t:HasReps">HasReps</a> <a href="Yesod-Content.html#t:RepPlain">RepPlain</a></td><td class="doc empty"> </td></tr></table></div></div></div><div class="top"><p class="src"><span class="keyword">newtype</span> <a name="t:RepXml" class="def">RepXml</a> <a href="src/Yesod-Content.html#RepXml" class="link">Source</a></p><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:RepXml" class="def">RepXml</a> <a href="Yesod-Content.html#t:Content">Content</a></td><td class="doc empty"> </td></tr></table></div><div class="subs instances"><p id="control.i:RepXml" class="caption collapser" onclick="toggleSection('i:RepXml')">Instances</p><div id="section.i:RepXml" class="show"><table><tr><td class="src"><a href="Yesod-Content.html#t:HasReps">HasReps</a> <a href="Yesod-Content.html#t:RepXml">RepXml</a></td><td class="doc empty"> </td></tr></table></div></div></div><h1 id="g:7">Utilities
</h1><div class="top"><p class="src"><a name="v:formatW3" class="def">formatW3</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/time-1.4/Data-Time-Clock.html#t:UTCTime">UTCTime</a> -> <a href="/usr/share/doc/libghc-text-doc/html/Data-Text-Internal.html#t:Text">Text</a><a href="src/Yesod-Content.html#formatW3" class="link">Source</a></p><div class="doc"><p>Format a <code><a href="/usr/share/doc/ghc-doc/html/libraries/time-1.4/Data-Time-Clock.html#t:UTCTime">UTCTime</a></code> in W3 format.
</p></div></div><div class="top"><p class="src"><a name="v:formatRFC1123" class="def">formatRFC1123</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/time-1.4/Data-Time-Clock.html#t:UTCTime">UTCTime</a> -> <a href="/usr/share/doc/libghc-text-doc/html/Data-Text-Internal.html#t:Text">Text</a><a href="src/Yesod-Content.html#formatRFC1123" class="link">Source</a></p><div class="doc"><p>Format as per RFC 1123.
</p></div></div><div class="top"><p class="src"><a name="v:formatRFC822" class="def">formatRFC822</a> :: <a href="/usr/share/doc/ghc-doc/html/libraries/time-1.4/Data-Time-Clock.html#t:UTCTime">UTCTime</a> -> <a href="/usr/share/doc/libghc-text-doc/html/Data-Text-Internal.html#t:Text">Text</a><a href="src/Yesod-Content.html#formatRFC822" class="link">Source</a></p><div class="doc"><p>Format as per RFC 822.
</p></div></div></div></div><div id="footer"><p>Produced by <a href="http://www.haskell.org/haddock/">Haddock</a> version 2.10.0</p></div></body></html>
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