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The v1 proto.Equal function treats (*Message)(nil) and new(Message) as being different, while v2 proto.Equal treated them as equal since a typed nil pointer is functionally an empty message since the protobuf data model has no concept of presence as a first-class property of messages. Unfortunately, a significant amount of code depends on this distinction that it would be difficult to migrate users from v1 to v2 unless we preserved similar semantics in the v2 proto.Equal. Also, double down on these semantics for protocmp.Transform. Fixes #965 Change-Id: I21e78ba6251401a0ac0ccf495188093973cd7f3f Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/213238 Reviewed-by: Damien Neil <dneil@google.com> |
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| format.go | ||
| util_test.go | ||
| util.go | ||
| xform_test.go | ||
| xform.go | ||