until -package:numeric-prelude -package:yesod-paginator -package:prelude-compat -package:numhask -package:singletons-base -package:elerea -package:hedgehog -package:faktory -package:mixed-types-num -package:Cabal-syntax 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)