:: Ord a => [a] -> [a] -package:hspec -package:Cabal -package:statistics -package:basement -package:ghc -package:witherable -is:exact -package:errors package:lifted-base

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