:: Ord a => [a] -> [a] -package:focus -is:exact is:exact -package:vector-algorithms -package:extra -package:Cabal -package:integration -package:witherable package:lifted-base

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