:: Ord a => [a] -> [a] -package:containers -is:exact -package:base -package:ghc -package:incipit-base -package:basement -package:lens is:exact package:lifted-base

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