until -package:numeric-prelude -package:base-prelude -package:distribution-opensuse -package:extra -package:rebase -package:streaming -package:foundation -package:monad-loops -package:yesod-paginator 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