until -package:numeric-prelude -package:yesod-paginator -package:prelude-compat -package:numhask -package:basic-prelude -package:mixed-types-num -package:elerea -package:snap-core -package:github -package:cabal-install-solver -package:singletons-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.