until -package:numeric-prelude -package:util -package:xmonad-contrib -package:base-compat -package:conferer -package:sparse-linear-algebra -package:classy-prelude -package:singletons-base -package:termonad -package:protolude 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.