packages feed

sandwich-0.1.0.0: src/Test/Sandwich/Util.hs

-- |

module Test.Sandwich.Util where

import Control.Monad

whenLeft :: (Monad m) => Either a b -> (a -> m ()) -> m ()
whenLeft (Left x) action = action x
whenLeft (Right _) _ = return ()

whenJust :: (Monad m) => Maybe a -> (a -> m b) -> m ()
whenJust Nothing _ = return ()
whenJust (Just x) action = void $ action x