:: Ord a => [a] -> [a] -package:statistics -package:containers -package:basement -package:base -package:extra is:exact -package:lens -package:hedgehog -package:integration package:lifted-base

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