proto
proto copied to clipboard
support proto3 presence
https://github.com/protocolbuffers/protobuf/releases/tag/v3.12.0
Reading through https://github.com/protocolbuffers/protobuf/blob/v3.12.0/docs/implementing_proto3_presence.md and the fact that this parser already accepts proto2 syntac, it looks like no change is needed in the parser (unless it starts validating more in future versions)