{-# LANGUAGE CPP #-}
{-# LANGUAGE Safe #-}
-----------------------------------------------------------------------------
-- |
-- Copyright   :  (C) 2011-2015 Edward Kmett
-- License     :  BSD-style (see the file LICENSE)
--
-- Maintainer  :  Edward Kmett <ekmett@gmail.com>
-- Stability   :  provisional
-- Portability :  portable
--
----------------------------------------------------------------------------
module Data.Semigroup.Bitraversable
  ( Bitraversable1(..)
  , bifoldMap1Default
  ) where

import Control.Applicative
#if !(MIN_VERSION_base(4,11,0))
import Data.Semigroup
#endif
import Data.Semigroup.Traversable.Class

bifoldMap1Default :: (Bitraversable1 t, Semigroup m) => (a -> m) -> (b -> m) -> t a b -> m
bifoldMap1Default :: forall (t :: * -> * -> *) m a b.
(Bitraversable1 t, Semigroup m) =>
(a -> m) -> (b -> m) -> t a b -> m
bifoldMap1Default a -> m
f b -> m
g = forall {k} a (b :: k). Const a b -> a
getConst forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall (t :: * -> * -> *) (f :: * -> *) a b c d.
(Bitraversable1 t, Apply f) =>
(a -> f b) -> (c -> f d) -> t a c -> f (t b d)
bitraverse1 (forall {k} a (b :: k). a -> Const a b
Const forall b c a. (b -> c) -> (a -> b) -> a -> c
. a -> m
f) (forall {k} a (b :: k). a -> Const a b
Const forall b c a. (b -> c) -> (a -> b) -> a -> c
. b -> m
g)
{-# INLINE bifoldMap1Default #-}