<!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>Data.Default</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/Data-Default.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">data-default-0.3.0: A class for types with a default value</p></div><div id="content"><div id="module-header"><p class="caption">Data.Default</p></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:Default">Default</a> a <span class="keyword">where</span><ul class="subs"><li><a href="#v:def">def</a> :: a</li></ul></li></ul></div><div id="interface"><h1>Documentation</h1><div class="doc"><p>This module defines a class for types with a default value. Instances are
provided for '()', <code><a href="/usr/share/doc/ghc/html/libraries/containers-0.4.0.0/Data-Set.html#t:Set">Set</a></code>, <code><a href="/usr/share/doc/ghc/html/libraries/containers-0.4.0.0/Data-Map.html#t:Map">Map</a></code>, <code><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Int.html#t:Int">Int</a></code>, <code><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Prelude.html#t:Integer">Integer</a></code>, <code><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Prelude.html#t:Float">Float</a></code>, <code><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Prelude.html#t:Double">Double</a></code>,
and many others (see below).
</p></div><div class="top"><p class="src"><span class="keyword">class</span> <a name="t:Default" class="def">Default</a> a <span class="keyword">where</span><a href="src/Data-Default.html#Default" class="link">Source</a></p><div class="doc"><p>A class for types with a default value.
</p></div><div class="subs methods"><p class="caption">Methods</p><p class="src"><a name="v:def" class="def">def</a> :: a<a href="src/Data-Default.html#def" class="link">Source</a></p><div class="doc"><p>The default value for this type.
</p></div></div><div class="subs instances"><p id="control.i:Default" class="caption collapser" onclick="toggleSection('i:Default')">Instances</p><div id="section.i:Default" class="show"><table><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Prelude.html#t:Double">Double</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Prelude.html#t:Float">Float</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Int.html#t:Int">Int</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Prelude.html#t:Integer">Integer</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Ord.html#t:Ordering">Ordering</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> ()</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Monoid.html#t:All">All</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> <a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Monoid.html#t:Any">Any</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> <a href="/usr/share/doc/ghc/html/libraries/containers-0.4.0.0/Data-IntSet.html#t:IntSet">IntSet</a></td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> [a]</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Prelude.html#t:Integral">Integral</a> a => <a href="Data-Default.html#t:Default">Default</a> (<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Ratio.html#t:Ratio">Ratio</a> a)</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> a => <a href="Data-Default.html#t:Default">Default</a> (<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/System-IO.html#t:IO">IO</a> a)</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> a => <a href="Data-Default.html#t:Default">Default</a> (<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Monoid.html#t:Dual">Dual</a> a)</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> (<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Monoid.html#t:Endo">Endo</a> a)</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Prelude.html#t:Num">Num</a> a => <a href="Data-Default.html#t:Default">Default</a> (<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Monoid.html#t:Sum">Sum</a> a)</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Prelude.html#t:Num">Num</a> a => <a href="Data-Default.html#t:Default">Default</a> (<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Monoid.html#t:Product">Product</a> a)</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> (<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Monoid.html#t:First">First</a> a)</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> (<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Monoid.html#t:Last">Last</a> a)</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> (<a href="/usr/share/doc/ghc/html/libraries/base-4.3.1.0/Data-Maybe.html#t:Maybe">Maybe</a> a)</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> a => <a href="Data-Default.html#t:Default">Default</a> (<a href="/usr/share/doc/ghc/html/libraries/containers-0.4.0.0/Data-Tree.html#t:Tree">Tree</a> a)</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> (<a href="/usr/share/doc/ghc/html/libraries/containers-0.4.0.0/Data-Sequence.html#t:Seq">Seq</a> a)</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> (<a href="/usr/share/doc/ghc/html/libraries/containers-0.4.0.0/Data-IntMap.html#t:IntMap">IntMap</a> v)</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> (<a href="/usr/share/doc/ghc/html/libraries/containers-0.4.0.0/Data-Set.html#t:Set">Set</a> v)</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> (<a href="/usr/share/doc/ghc/html/libraries/dlist-0.5/Data-DList.html#t:DList">DList</a> a)</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> r => <a href="Data-Default.html#t:Default">Default</a> (e -> r)</td><td class="doc empty"> </td></tr><tr><td class="src">(<a href="Data-Default.html#t:Default">Default</a> a, <a href="Data-Default.html#t:Default">Default</a> b) => <a href="Data-Default.html#t:Default">Default</a> (a, b)</td><td class="doc empty"> </td></tr><tr><td class="src"><a href="Data-Default.html#t:Default">Default</a> (<a href="/usr/share/doc/ghc/html/libraries/containers-0.4.0.0/Data-Map.html#t:Map">Map</a> k v)</td><td class="doc empty"> </td></tr><tr><td class="src">(<a href="Data-Default.html#t:Default">Default</a> a, <a href="Data-Default.html#t:Default">Default</a> b, <a href="Data-Default.html#t:Default">Default</a> c) => <a href="Data-Default.html#t:Default">Default</a> (a, b, c)</td><td class="doc empty"> </td></tr><tr><td class="src">(<a href="Data-Default.html#t:Default">Default</a> a, <a href="Data-Default.html#t:Default">Default</a> b, <a href="Data-Default.html#t:Default">Default</a> c, <a href="Data-Default.html#t:Default">Default</a> d) => <a href="Data-Default.html#t:Default">Default</a> (a, b, c, d)</td><td class="doc empty"> </td></tr><tr><td class="src">(<a href="Data-Default.html#t:Default">Default</a> a, <a href="Data-Default.html#t:Default">Default</a> b, <a href="Data-Default.html#t:Default">Default</a> c, <a href="Data-Default.html#t:Default">Default</a> d, <a href="Data-Default.html#t:Default">Default</a> e) => <a href="Data-Default.html#t:Default">Default</a> (a, b, c, d, e)</td><td class="doc empty"> </td></tr></table></div></div></div></div></div><div id="footer"><p>Produced 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