Implement Semigroup for base >= 4.9

EarthCitizen / escape-artist

A Haskell library for text decoration with ANSI escape sequences made easy

BSD 3-Clause "New" or "Revised" License

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Open EarthCitizen opened 7 years ago

EarthCitizen commented 7 years ago

Need to implement Semigroup apart from Monoid for base >= 4.9 as in the example below:

#if MIN_VERSION_base(4,9,0)
instance Semigroup ByteString where
    (<>)    = append
#endif

EarthCitizen commented 7 years ago

See migration guide for GHC 8.0: