until -package:numeric-prelude -package:base-prelude -package:hosc -package:numhask -package:llvm-hs-pure -package:base-compat -package:elerea -is:exact -package:termonad -package:yesod-paginator -package:extra 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.