Adding Applicative/Functor instances to all Monads in GHC
fmaste at gmail.com
Fri May 17 14:22:51 CEST 2013
On May 17, 2013, at 8:10 AM, Henning Thielemann <lemming at henning-thielemann.de> wrote:
> On Thu, 16 May 2013, David Luposchainsky wrote:
>> I recently went through GHC's source, and discovered there are quite a
>> few instances of Monad that don't have Functor or Applicative instances.
>> Fixing this is very easy by adding the standard instances (pure = return
>> etc.), and will not break code.
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