until -package:numeric-prelude -package:streaming -package:yesod-paginator -package:Cabal -package:elerea -package:base-compat -package:linear-base is:exact -package:classy-prelude -package:base package:utility-ht

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