until -package:numeric-prelude -package:streaming -package:util -package:snap-core -package:basic-prelude -package:xmonad-contrib -package:prelude-compat -package:hledger-web -package:protolude -package:Cabal-syntax 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.