:: Ord a => [a] -> [a] -package:containers -package:extra -package:lens -package:Cabal -package:errors -package:base is:exact -package:basement -package:statistics package:lifted-base

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