Control.Monad.Exception
exception
throw
throwIO
ioError
throwTo
catch
handle
catchJust
handleJust
data Handler μ α
catches
handles
try
tryJust
evaluateIO
class MonadMask μ
liftGetMaskingState
liftWithMaskingState
mask
mask_
uninterruptibleMask
uninterruptibleMask_
interruptible
allowInterrupt