:: Ord a => [a] -> [a] -package:focus -package:base-prelude -package:statistics is:exact -package:Cabal-syntax -package:errors -package:Cabal package:lifted-base

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