until -package:numeric-prelude -package:streaming -package:yesod-paginator -package:Cabal -package:elerea -package:base -package:hosc -package:extra -package:scalpel-core -package:mixed-types-num -package:varying 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.