:: Ord a => [a] -> [a] -package:html-entities is:exact -package:base -package:statistics -package:Cabal -package:witherable -package:extra -package:errors package:lifted-base

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