<!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 >SpuriousSuperclassConstraints</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[ window.onload = function () {pageLoad();setSynopsis("mini_SpuriousSuperclassConstraints.html");}; //]]> </script ></head ><body ><div id="package-header" ><ul class="links" id="page-menu" ><li ><a href="" >Contents</a ></li ><li ><a href="" >Index</a ></li ></ul ><p class="caption empty" > </p ></div ><div id="content" ><div id="module-header" ><table class="info" ><tr ><th >Safe Haskell</th ><td >Safe</td ></tr ></table ><p class="caption" >SpuriousSuperclassConstraints</p ></div ><div id="description" ><p class="caption" >Description</p ><div class="doc" ><p >What is tested here:</p ><p >Due to a change in GHC 7.6.1 we had a bug that superclass contraints were included in the instances list. Edward K. repported it here:</p ><p ><a href="" >http://www.haskell.org/pipermail/haskell-cafe/2012-September/103600.html</a ></p ><p >And here is the corresponding theard on glasgow-haskell-users:</p ><p ><a href="" >http://www.haskell.org/pipermail/glasgow-haskell-users/2012-September/022914.html</a ></p ><p >It has been fixed in:</p ><pre >6ccf78e15a525282fef61bc4f58a279aa9c21771 Fix spurious superclass constraints bug.</pre ></div ></div ><div id="interface" ><h1 >Documentation</h1 ><div class="top" ><p class="src" ><span class="keyword" >data</span > <a href="" id="t:SomeType" class="def" >SomeType</a > f a</p ><div class="subs instances" ><p id="control.i:SomeType" class="caption collapser" onclick="toggleSection('i:SomeType')" >Instances</p ><div id="section.i:SomeType" class="show" ><table ><tr ><td class="src clearfix" ><span class="inst-left" ><span id="control.i:id:SomeType:Functor:1" class="instance expander" onclick="toggleSection('i:id:SomeType:Functor:1')" ></span > <a href="" >Functor</a > (<a href="" >SomeType</a > f)</span ></td ><td class="doc empty" > </td ></tr ><tr ><td colspan="2" ><div id="section.i:id:SomeType:Functor:1" class="inst-details hide" ><div class="subs methods" ><p class="caption" >Methods</p ><p class="src" ><a href="" >fmap</a > :: (a -> b) -> <a href="" >SomeType</a > f a -> <a href="" >SomeType</a > f b</p ><p class="src" ><a href="" >(<$)</a > :: a -> <a href="" >SomeType</a > f b -> <a href="" >SomeType</a > f a</p ></div ></div ></td ></tr ><tr ><td class="src clearfix" ><span class="inst-left" ><span id="control.i:id:SomeType:Applicative:2" class="instance expander" onclick="toggleSection('i:id:SomeType:Applicative:2')" ></span > <a href="" >Applicative</a > f => <a href="" >Applicative</a > (<a href="" >SomeType</a > f)</span ></td ><td class="doc empty" > </td ></tr ><tr ><td colspan="2" ><div id="section.i:id:SomeType:Applicative:2" class="inst-details hide" ><div class="subs methods" ><p class="caption" >Methods</p ><p class="src" ><a href="" >pure</a > :: a -> <a href="" >SomeType</a > f a</p ><p class="src" ><a href="" >(<*>)</a > :: <a href="" >SomeType</a > f (a -> b) -> <a href="" >SomeType</a > f a -> <a href="" >SomeType</a > f b</p ><p class="src" ><a href="" >(*>)</a > :: <a href="" >SomeType</a > f a -> <a href="" >SomeType</a > f b -> <a href="" >SomeType</a > f b</p ><p class="src" ><a href="" >(<*)</a > :: <a href="" >SomeType</a > f a -> <a href="" >SomeType</a > f b -> <a href="" >SomeType</a > f a</p ></div ></div ></td ></tr ></table ></div ></div ></div ></div ></div ><div id="footer" ><p >Produced by <a href="" >Haddock</a > version 2.16.2</p ></div ></body ></html >