until -package:numeric-prelude -package:streaming -package:util -package:foundation -package:LambdaHack is:exact -package:base-prelude -package:llvm-hs-pure -package:ghc-lib-parser -package:ghc package:utility-ht

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