until -package:numeric-prelude -package:streaming -package:foundation -package:hosc -package:faktory -package:free -package:singletons-base -package:base-compat -package:Cabal-syntax -package:ghc-lib-parser 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.