:: Ord a => [a] -> [a] -package:statistics -package:witherable -package:safe -is:exact -package:Cabal -package:Cabal-syntax is:exact -package:lens package:lifted-base

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