until -package:numeric-prelude -package:yesod-paginator -package:prelude-compat -package:numhask -package:netwire -package:distribution-opensuse -package:elerea -package:llvm-hs-pure -package:util -package:dunai -package:language-bash package:selective
Keep running an effectful computation until it returns a
Right value, collecting the Left's using a supplied
Monoid instance.