<!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>Control.Monad.Trans.Error</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 id="mini"><div id="module-header"><p class="caption">Control.Monad.Trans.Error</p></div><div id="interface"><h1>The ErrorT monad transformer
</h1><div class="top"><p class="src"><span class="keyword">class</span> <a href="Control-Monad-Trans-Error.html#t:Error" target="main">Error</a> a</p></div><div class="top"><p class="src"><span class="keyword">class</span> <a href="Control-Monad-Trans-Error.html#t:ErrorList" target="main">ErrorList</a> a</p></div><div class="top"><p class="src"><span class="keyword">data</span> <a href="Control-Monad-Trans-Error.html#t:ErrorT" target="main">ErrorT</a> e m a</p></div><div class="top"><p class="src"><a href="Control-Monad-Trans-Error.html#v:mapErrorT" target="main">mapErrorT</a></p></div><h1>Error operations
</h1><div class="top"><p class="src"><a href="Control-Monad-Trans-Error.html#v:throwError" target="main">throwError</a></p></div><div class="top"><p class="src"><a href="Control-Monad-Trans-Error.html#v:catchError" target="main">catchError</a></p></div><h1>Lifting other operations
</h1><div class="top"><p class="src"><a href="Control-Monad-Trans-Error.html#v:liftCallCC" target="main">liftCallCC</a></p></div><div class="top"><p class="src"><a href="Control-Monad-Trans-Error.html#v:liftListen" target="main">liftListen</a></p></div><div class="top"><p class="src"><a href="Control-Monad-Trans-Error.html#v:liftPass" target="main">liftPass</a></p></div><h1>Examples
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