until -package:numeric-prelude -package:streaming -package:util -package:scalpel-core -package:faktory -package:netwire -package:ghc-lib-parser -is:exact -package:base 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.