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Give some tips on how to find the missing ruby2_keywords

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Benoit Daloze 2022-04-05 11:54:57 +02:00
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@ -66,7 +66,11 @@ Note that each entry is kept to a minimum, see links for details.
with no exception. This will make it easier to transition to other ways of with no exception. This will make it easier to transition to other ways of
delegation once a library can require Ruby 3+. Previously, the `ruby2_keywords` delegation once a library can require Ruby 3+. Previously, the `ruby2_keywords`
flag was kept if the receiving method took `*args`, but this was a bug and an flag was kept if the receiving method took `*args`, but this was a bug and an
inconsistency. [[Bug #18625]] [[Bug #16466]] inconsistency. A good technique to find the potentially-missing `ruby2_keywords`
is to run the test suite, for where it fails find the last method which must
receive keyword arguments, use `puts nil, caller, nil` there, and check each
method/block on the call chain which must delegate keywords is correctly marked
as `ruby2_keywords`. [[Bug #18625]] [[Bug #16466]]
```ruby ```ruby
def target(**kw) def target(**kw)