Sophie

Sophie

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</script></head><body><div id="package-header"><ul class="links" id="page-menu"><li><a href="index.html">Contents</a></li><li><a href="doc-index.html">Index</a></li></ul><p class="caption">base-4.5.1.0: Basic libraries</p></div><div id="content"><div id="module-header"><table class="info"><tr><th>Portability</th><td>portable</td></tr><tr><th>Stability</th><td>experimental</td></tr><tr><th>Maintainer</th><td>libraries@haskell.org</td></tr><tr><th>Safe Haskell</th><td>Trustworthy</td></tr></table><p class="caption">Data.Bool</p></div><div id="table-of-contents"><p class="caption">Contents</p><ul><li><a href="#g:1">Booleans
</a><ul><li><a href="#g:2">Operations 
</a></li></ul></li></ul></div><div id="description"><p class="caption">Description</p><div class="doc"><p>The <code><a href="Data-Bool.html#t:Bool">Bool</a></code> type and related functions.
</p></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">data</span>  <a href="#t:Bool">Bool</a> <ul class="subs"><li>= <a href="#v:False">False</a>  </li><li>| <a href="#v:True">True</a>  </li></ul></li><li class="src short"><a href="#v:-38--38-">(&amp;&amp;)</a> :: <a href="Data-Bool.html#t:Bool">Bool</a> -&gt; <a href="Data-Bool.html#t:Bool">Bool</a> -&gt; <a href="Data-Bool.html#t:Bool">Bool</a></li><li class="src short"><a href="#v:-124--124-">(||)</a> :: <a href="Data-Bool.html#t:Bool">Bool</a> -&gt; <a href="Data-Bool.html#t:Bool">Bool</a> -&gt; <a href="Data-Bool.html#t:Bool">Bool</a></li><li class="src short"><a href="#v:not">not</a> :: <a href="Data-Bool.html#t:Bool">Bool</a> -&gt; <a href="Data-Bool.html#t:Bool">Bool</a></li><li class="src short"><a href="#v:otherwise">otherwise</a> :: <a href="Data-Bool.html#t:Bool">Bool</a></li></ul></div><div id="interface"><h1 id="g:1">Booleans
</h1><div class="top"><p class="src"><span class="keyword">data</span>  <a name="t:Bool" class="def">Bool</a>  <a href="../ghc-prim-0.2.0.0/src/GHC-Types.html#Bool" class="link">Source</a></p><div class="subs constructors"><p class="caption">Constructors</p><table><tr><td class="src"><a name="v:False" class="def">False</a></td><td class="doc empty">&nbsp;</td></tr><tr><td class="src"><a name="v:True" class="def">True</a></td><td class="doc empty">&nbsp;</td></tr></table></div><div class="subs instances"><p id="control.i:Bool" class="caption collapser" onclick="toggleSection('i:Bool')">Instances</p><div id="section.i:Bool" class="show"><table><tr><td class="src"><a href="Prelude.html#t:Bounded">Bounded</a> <a href="Data-Bool.html#t:Bool">Bool</a></td><td class="doc empty">&nbsp;</td></tr><tr><td class="src"><a href="Prelude.html#t:Enum">Enum</a> <a href="Data-Bool.html#t:Bool">Bool</a></td><td class="doc empty">&nbsp;</td></tr><tr><td class="src"><a href="Data-Eq.html#t:Eq">Eq</a> <a href="Data-Bool.html#t:Bool">Bool</a></td><td class="doc empty">&nbsp;</td></tr><tr><td class="src"><a href="Data-Data.html#t:Data">Data</a> <a href="Data-Bool.html#t:Bool">Bool</a></td><td class="doc empty">&nbsp;</td></tr><tr><td class="src"><a href="Data-Ord.html#t:Ord">Ord</a> <a href="Data-Bool.html#t:Bool">Bool</a></td><td class="doc empty">&nbsp;</td></tr><tr><td class="src"><a href="Text-Read.html#t:Read">Read</a> <a href="Data-Bool.html#t:Bool">Bool</a></td><td class="doc empty">&nbsp;</td></tr><tr><td class="src"><a href="Text-Show.html#t:Show">Show</a> <a href="Data-Bool.html#t:Bool">Bool</a></td><td class="doc empty">&nbsp;</td></tr><tr><td class="src"><a href="Data-Ix.html#t:Ix">Ix</a> <a href="Data-Bool.html#t:Bool">Bool</a></td><td class="doc empty">&nbsp;</td></tr><tr><td class="src"><a href="Data-Typeable-Internal.html#t:Typeable">Typeable</a> <a href="Data-Bool.html#t:Bool">Bool</a></td><td class="doc empty">&nbsp;</td></tr><tr><td class="src"><a href="../ghc-prim-0.2.0.0/GHC-Generics.html#t:Generic">Generic</a> <a href="Data-Bool.html#t:Bool">Bool</a></td><td class="doc empty">&nbsp;</td></tr><tr><td class="src"><a href="Foreign-Storable.html#t:Storable">Storable</a> <a href="Data-Bool.html#t:Bool">Bool</a></td><td class="doc empty">&nbsp;</td></tr></table></div></div></div><h2 id="g:2">Operations 
</h2><div class="top"><p class="src"><a name="v:-38--38-" class="def">(&amp;&amp;)</a> :: <a href="Data-Bool.html#t:Bool">Bool</a> -&gt; <a href="Data-Bool.html#t:Bool">Bool</a> -&gt; <a href="Data-Bool.html#t:Bool">Bool</a><a href="../ghc-prim-0.2.0.0/src/GHC-Classes.html#%26%26" class="link">Source</a></p><div class="doc"><p>Boolean &quot;and&quot;
</p></div></div><div class="top"><p class="src"><a name="v:-124--124-" class="def">(||)</a> :: <a href="Data-Bool.html#t:Bool">Bool</a> -&gt; <a href="Data-Bool.html#t:Bool">Bool</a> -&gt; <a href="Data-Bool.html#t:Bool">Bool</a><a href="../ghc-prim-0.2.0.0/src/GHC-Classes.html#%7C%7C" class="link">Source</a></p><div class="doc"><p>Boolean &quot;or&quot;
</p></div></div><div class="top"><p class="src"><a name="v:not" class="def">not</a> :: <a href="Data-Bool.html#t:Bool">Bool</a> -&gt; <a href="Data-Bool.html#t:Bool">Bool</a><a href="../ghc-prim-0.2.0.0/src/GHC-Classes.html#not" class="link">Source</a></p><div class="doc"><p>Boolean &quot;not&quot;
</p></div></div><div class="top"><p class="src"><a name="v:otherwise" class="def">otherwise</a> :: <a href="Data-Bool.html#t:Bool">Bool</a></p><div class="doc"><p><code><a href="Data-Bool.html#v:otherwise">otherwise</a></code> is defined as the value <code><a href="Data-Bool.html#v:True">True</a></code>.  It helps to make
 guards more readable.  eg.
</p><pre>  f x | x &lt; 0     = ...
      | otherwise = ...
</pre></div></div></div></div><div id="footer"><p>Produced by <a href="http://www.haskell.org/haddock/">Haddock</a> version 2.11.0</p></div></body></html>