until -package:numeric-prelude -package:base-prelude -package:distribution-opensuse -package:Cabal -package:dimensional -package:elerea -package:faktory -package:LambdaHack -package:monad-loops is:exact package:utility-ht

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