until -package:numeric-prelude -package:util -package:xmonad-contrib -package:base-compat -package:mixed-types-num -package:faktory -package:utility-ht -package:clash-prelude -package:basic-prelude -is:exact -package:termonad package:selective
Keep running an effectful computation until it returns a
Right value, collecting the Left's using a supplied
Monoid instance.