until -package:numeric-prelude -package:util -package:hedgehog -package:yesod-paginator -package:ghc-lib-parser -package:protolude -package:base -package:LambdaHack -package:xmonad-contrib -package:conferer -package:base-compat 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.