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

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