until -package:numeric-prelude -package:base-prelude -package:hosc -package:numhask -package:ghc -package:hledger-web -package:base -package:mixed-types-num -package:dunai -package:cabal-install-solver -package:rebase package:selective

untilRight :: (Monoid a, Selective f) => f (Either a b) -> f (a, b)
selective Control.Selective
Keep running an effectful computation until it returns a Right value, collecting the Left's using a supplied Monoid instance.