until -package:numeric-prelude -package:yesod-paginator -package:prelude-compat -package:numhask -package:clash-prelude -package:ghc-lib-parser -package:base is:exact -package:LambdaHack -package:classy-prelude -package:llvm-hs-pure package:termonad

until p f yields the result of applying f until p holds.