until -package:numeric-prelude -package:yesod-paginator -package:prelude-compat -package:numhask -package:intro -package:hedgehog -package:faktory -package:dimensional -package:elerea -package:protolude -package:utility-ht -package:xmonad-contrib package:selective
Keep running an effectful computation until it returns a
Right value, collecting the Left's using a supplied
Monoid instance.