until -package:numeric-prelude -package:yesod-paginator -package:prelude-compat -package:numhask -package:singletons-base -package:faktory -package:snap-core is:exact -package:base -package:github package:utility-ht

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