until -package:numeric-prelude -package:base-prelude -package:hosc -package:numhask is:exact -package:netwire -package:clash-prelude -package:LambdaHack

until p f yields the result of applying f until p holds.
repeat action until result fulfills condition
until p f yields the result of applying f until p holds.
until p f yields the result of applying f until p holds.