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

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