Added MINIMAL pragma to `Adjunction` class

ekmett / adjunctions

Simple adjunctions

http://hackage.haskell.org/package/adjunctions

Other

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Closed Icelandjack closed 8 years ago

RyanGlScott commented 8 years ago

Please guard any MINIMAL pragmas with #if __GLASGOW_HASKELL__ >= 708 ... #endif. Otherwise, older GHCs will spit out unrecognized pragma warnings.
While you're at it, could you also give a MINIMAL pragma to the Adjunction typeclass in Data.Functor.Contravariant.Adjunction?
Perhaps the changes in #24 would best be suited to this PR? :)