until -package:numeric-prelude -package:util -package:xmonad-contrib -package:base-compat -package:conferer -package:clash-prelude -package:hledger-web -package:dunai -package:base-prelude -package:basic-prelude package:utility-ht
repeat action until result fulfills condition
Take all elements until one matches. The matching element is returned,
too. This is the key difference to
takeWhile (not . p). It
holds:
forAllPredicates $ \p xs -> takeUntil p xs == fst (breakAfter p xs)