{-# LANGUAGE CPP #-} #if __GLASGOW_HASKELL__ >= 702 && __GLASGOW_HASKELL <= 706 && defined(MIN_VERSION_comonad) && !(MIN_VERSION_comonad(3,0,3)) {-# LANGUAGE Trustworthy #-} #endif #if __GLASGOW_HASKELL__ >= 708 && __GLASGOW_HASKELL__ < 710 {-# OPTIONS_GHC -fno-warn-amp #-} #endif ----------------------------------------------------------------------------- -- | -- Copyright : (C) 2011-2015 Edward Kmett -- License : BSD-style (see the file LICENSE) -- -- Maintainer : Edward Kmett -- Stability : provisional -- Portability : portable -- ---------------------------------------------------------------------------- module Data.Functor.Bind ( -- * Functors Functor(..) , (<$>) -- :: Functor f => (a -> b) -> f a -> f b , ( $>) -- :: Functor f => f a -> b -> f b -- * Applyable functors , Apply(..) , (<..>) -- :: Apply w => w a -> w (a -> b) -> w b , liftF3 -- :: Apply w => (a -> b -> c -> d) -> w a -> w b -> w c -> w d -- * Wrappers , WrappedApplicative(..) , MaybeApply(..) -- * Bindable functors , Bind(..) , (-<<) , (-<-) , (->-) , apDefault , returning ) where import Data.Functor.Apply import Data.Functor.Bind.Class infixr 1 -<<, -<-, ->- (-<<) :: Bind m => (a -> m b) -> m a -> m b (-<<) = flip (>>-) (->-) :: Bind m => (a -> m b) -> (b -> m c) -> a -> m c f ->- g = \a -> f a >>- g (-<-) :: Bind m => (b -> m c) -> (a -> m b) -> a -> m c g -<- f = \a -> f a >>- g