until -package:numeric-prelude -package:util -package:xmonad-contrib -package:LambdaHack -package:language-bash -package:Cabal -package:utility-ht -package:monad-loops -package:cabal-install-solver -package:scalpel-core 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.