until -package:numeric-prelude -package:streaming -package:yesod-paginator -package:numhask -is:exact -package:llvm-hs-pure -package:faktory -package:ghc -package:LambdaHack -package:ghc-lib-parser -package:free 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.