errors-ext-0.2: Bracket-like functions for ExceptT over IO monad.
Control.Error.Extensions
Description
This module exports bracket-like functions for ExceptT.
ExceptT
Synopsis
bracketE :: MonadMask m => ExceptT e m a -> (a -> ExceptT e m b) -> (a -> ExceptT e m c) -> ExceptT e m c Source #
Analogous to bracket, but for ExceptT over IO (or any MonadMask monad).
bracket
IO
MonadMask
bracketE_ :: MonadMask m => ExceptT e m a -> ExceptT e m b -> ExceptT e m c -> ExceptT e m c Source #
A variant of bracketE where the return value from the first computation is not required.
bracketE