until -package:numeric-prelude -package:yesod-paginator -package:prelude-compat -package:numhask -package:faktory -package:monad-loops -package:llvm-hs-pure -package:utility-ht 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.