until -package:numeric-prelude -package:base-prelude -package:hosc -package:numhask -package:prelude-compat -package:ghc-lib-parser -package:snap-core -package:dimensional -package:distribution-opensuse -package:streaming package:selective -is:exact
Keep running an effectful computation until it returns a
Right value, collecting the Left's using a supplied
Monoid instance.