until -package:numeric-prelude -package:yesod-paginator -package:prelude-compat -package:numhask -package:Cabal -package:linear-base -package:sparse-linear-algebra -package:faktory -package:extra 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)