Yegappan Lakshmanan f3b68d4759 patch 9.0.1959: Vim9: methods parameters and types are covariant ...

Problem:  Vim9: methods parameters and types are covariant
Solution: Support contra-variant type check for object method arguments
          (similar to Dart).

closes: #12965
closes: #13221

Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>

2023-09-29 22:50:02 +02:00

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