until -package:numeric-prelude -package:streaming -package:util -package:snap-core -package:ghc-lib-parser -package:dunai -package:Cabal -package:numhask -package:mixed-types-num is:exact package:utility-ht

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