I ran into a situation today in which I needed to use the "reserved"
keyword in a protobuf definition, so that in the future, nobody would use
those fields. I've attached a screenshot of what the docs say, from
https://developers.google.com/protocol-buffers/docs/proto#reserved
[image: Inline image 1]
However, when I try to use that keyword in an actual message with field
definitions, protoc always complains with the following error:
*Expected "required", "optional", or "repeated".*
My protobuf definition looks like this:
message MyMessage {
// Some comments
reserved, 4, 108, 109;
// Some more comments
required string event_uuid = 1 ;
required string date = 2 ;
required string timezone = 3 ;
optional string field1 = 101 ;
optional string field2 = 110 ;
}
Am I reading that spec wrong, or is the reserved keyword broken?
Marcos
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