| Safe Haskell | Safe-Inferred |
|---|---|
| Language | Haskell2010 |
MonadVar.Combinators
Synopsis
- postMutate_ :: MonadMutate m v => v a -> (a -> a) -> m a
- preMutate_ :: MonadMutate m v => v a -> (a -> a) -> m a
- postMutate :: MonadMutate m v => v a -> (a -> (a, b)) -> m (a, b)
- preMutate :: MonadMutate m v => v a -> (a -> (a, b)) -> m (a, b)
- postMutateM_ :: (MonadMutateM f m v, Functor f) => v a -> (a -> f a) -> m a
- preMutateM_ :: (MonadMutateM f m v, Functor f) => v a -> (a -> f a) -> m a
- postMutateM :: (MonadMutateM f m v, Functor f) => v a -> (a -> f (a, b)) -> m (a, b)
- preMutateM :: (MonadMutateM f m v, Functor f) => v a -> (a -> f (a, b)) -> m (a, b)
Documentation
postMutate_ :: MonadMutate m v => v a -> (a -> a) -> m a Source #
Mutate a variable and also return its old value.
preMutate_ :: MonadMutate m v => v a -> (a -> a) -> m a Source #
Mutate a variable and also return its new value.
postMutate :: MonadMutate m v => v a -> (a -> (a, b)) -> m (a, b) Source #
Mutate a variable and also return its old value along with an additional value.
preMutate :: MonadMutate m v => v a -> (a -> (a, b)) -> m (a, b) Source #
Mutate a variable and also return its new value along with an additional value.
postMutateM_ :: (MonadMutateM f m v, Functor f) => v a -> (a -> f a) -> m a Source #
Monadically mutate a variable and also return its old value.
preMutateM_ :: (MonadMutateM f m v, Functor f) => v a -> (a -> f a) -> m a Source #
Monadically mutate a variable and also return its new value.
postMutateM :: (MonadMutateM f m v, Functor f) => v a -> (a -> f (a, b)) -> m (a, b) Source #
Monadically mutate a variable and also return its old value along with an additional value.
preMutateM :: (MonadMutateM f m v, Functor f) => v a -> (a -> f (a, b)) -> m (a, b) Source #
Monadically mutate a variable and also return its new value along with an additional value.