:: Ord a => [a] -> [a] -package:hspec -package:lens -package:extra is:exact -package:containers -package:ghc -package:witherable -package:vector-algorithms package:lifted-base

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