until -package:numeric-prelude -package:base-prelude -package:hosc -package:numhask -package:LambdaHack -package:conferer -package:free -package:xmonad-contrib -package:classy-prelude -package:scalpel-core -package:dunai package:rebase
until p f yields the result of applying
f
until
p holds.
Keep running an effectful computation until it returns a
Right value, collecting the Left's using a supplied
Monoid instance.