until -package:numeric-prelude -package:language-bash -package:distribution-opensuse -package:LambdaHack -package:snap-core -package:sparse-linear-algebra -package:base -is:exact 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