charles 05e4c275bb Add raw field iterator and with builder method ...

- Implement RawFieldIterator and ProtoAccessor::raw_fields that yield
  (field_number, raw_bytes) pairs for each field
- Extend Builder with per-field _written flags and add a with()
  method to copy unseen fields from a source message
- Add ProtoBuilder::write_raw to copy pre-encoded field bytes
- Add tests for raw-field iteration, verbatim copying, and with()

2026-05-04 19:03:56 -07:00

..

build_generated_code.rs

Clean warnings

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test_nested_protos.rs

Clean warnings

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test_with_method.rs

Add raw field iterator and with builder method

2026-05-04 19:03:56 -07:00