hkt-0.0.1: A library for higher kinded types.

Safe HaskellSafe
LanguageHaskell2010

HKT.Merge

Documentation

class Merge a where Source #

Methods

merge :: a ID -> a Maybe -> a ID Source #

merge :: (Generic (a Maybe), Generic (a ID), GMerge (Rep (a ID)) (Rep (a Maybe))) => a ID -> a Maybe -> a ID Source #

merge :: Merge a => a ID -> a Maybe -> a ID Source #