until -package:numeric-prelude -package:yesod-paginator -package:prelude-compat -package:numhask -package:elerea is:exact -package:ghc -package:llvm-hs-pure -package:linear-base -package:base -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