:: Ord a => [a] -> [a] -package:hspec -package:imports -package:vector-algorithms -package:Cabal-syntax -package:Cabal -package:extra package:lifted-base is:exact

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