until -package:numeric-prelude -package:util -package:xmonad-contrib -package:LambdaHack -package:mixed-types-num -package:rebase -package:netwire -package:dunai -package:numhask package:utility-ht is:exact

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