until -package:numeric-prelude -package:streaming -package:util -package:foundation -package:LambdaHack is:exact -package:basic-prelude -package:prelude-compat -package:rebase -package:llvm-hs-pure -package:netwire package:utility-ht

until :: Monad m => (a -> Bool) -> m a -> m a
utility-ht Control.Monad.HT
repeat action until result fulfills condition