until -package:numeric-prelude -package:language-bash -package:base-compat -package:foundation -package:hledger-web -package:yesod-paginator -package:extra -is:exact -package:termonad 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