:: Ord a => [a] -> [a] -package:statistics -is:exact -package:base -package:witherable -package:vector-algorithms -is:exact -package:hedgehog is:exact package:lifted-base

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