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mtl/semigroupoids: lift semigroupoid instances through Monad transformers #18

Closed Gurkenglas closed 8 years ago

Gurkenglas commented 8 years ago

Requires orphan instances or stupid dependencies or https://github.com/aelve/haskell-issues/issues/17

Gurkenglas commented 8 years ago

Oh hey, that was already done, via the stupid dependencies route. semigroupoids has the instance declarations.