until -package:numeric-prelude -package:yesod-paginator -package:prelude-compat -package:numhask -package:base-compat -package:extra -package:sparse-linear-algebra -package:snap-core -package:faktory -package:termonad is:exact -package:linear-base package:utility-ht

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