until -package:numeric-prelude -package:yesod-paginator -package:prelude-compat -package:numhask -package:base-prelude -package:singletons-base -package:monad-loops -package:termonad -package:Cabal-syntax -package:base 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.