until -package:numeric-prelude -package:base-prelude -package:distribution-opensuse -package:utility-ht -package:netwire -package:singletons-base -package:intro -package:conferer -package:protolude -package:streaming 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.