:: Ord a => [a] -> [a] is:exact -package:primitive-extras -package:witherable -package:base -package:basement -package:Cabal -package:integration -package:extra package:lifted-base

Generalized version of runInBoundThread.
Generalized version of runInUnboundThread.
Generalized version of mask_.
Generalized version of uninterruptibleMask_.