:: Ord a => [a] -> [a] is:exact -package:singletons -package:base -package:safe -package:ghc -package:lens -package:extra -package:statistics -package:containers package:lifted-base

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