until -package:numeric-prelude -package:util -package:hedgehog -package:yesod-paginator -package:foundation -package:utility-ht -package:dunai -package:snap-core -package:singletons-base -package:selective -package:conferer package:rebase
until p f yields the result of applying
f
until
p holds.
Keep running an effectful computation until it returns a
Right value, collecting the Left's using a supplied
Monoid instance.