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>SpuriousSuperclassConstraints</title
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><a href="#"
>Contents</a
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><a href="#"
>Index</a
></li
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><p class="caption empty"
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><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 thread 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 id="t:SomeType" class="def"
>SomeType</a
> (f :: <a href="#"
>*</a
> -> <a href="#"
>*</a
>) a <a href="#" class="selflink"
>#</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
> <a href="#" class="selflink"
>#</a
></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 <a href="#" class="selflink"
>#</a
></p
><p class="src"
><a href="#"
>(<$)</a
> :: a -> <a href="#"
>SomeType</a
> f b -> <a href="#"
>SomeType</a
> f a <a href="#" class="selflink"
>#</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
> <a href="#" class="selflink"
>#</a
></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 <a href="#" class="selflink"
>#</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 <a href="#" class="selflink"
>#</a
></p
><p class="src"
><a href="#"
>liftA2</a
> :: (a -> b -> c) -> <a href="#"
>SomeType</a
> f a -> <a href="#"
>SomeType</a
> f b -> <a href="#"
>SomeType</a
> f c <a href="#" class="selflink"
>#</a
></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 <a href="#" class="selflink"
>#</a
></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 <a href="#" class="selflink"
>#</a
></p
></div
></div
></td
></tr
></table
></div
></div
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