[jhc] allowing unqualified method names in instance declarations
Isaac Dupree
ml at isaac.cedarswampstudios.org
Sat Nov 14 13:30:49 EST 2009
Henning Thielemann wrote:
>
> The attached patch shall help accepting an instance declaration like
>
>> import qualified Custom
>>
>> instance Custom.Class T where
>> methodA = ...
>> methodB = ...
>
> by translating it to
>
>> instance Custom.Class T where
>> Custom.methodA = ...
>> Custom.methodB = ...
Correct.
> I don't know, whether this also works if you do
>
>> import qualified Custom hiding (methodA, methodB, )
according to the standard as well as GHC, it would be an error.
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