until -package:numeric-prelude -package:util -package:hedgehog -package:yesod-paginator -package:elerea -package:hosc -package:classy-prelude is:exact -package:LambdaHack -package:protolude package:utility-ht

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