I see, thanks Josh!
On Thursday, February 15, 2018 at 5:32:36 PM UTC-5, Josh Humphries wrote:
>
> The stream keyword was added in protobuf 3.0. (Version 2.5 is quite old.)
> Support for map types and proto3 syntax (which comes with a handful of
> language restrictions and semantic changes for messages) were also added in
> 3.0.
>
> ----
> *Josh Humphries*
> jh...@bluegosling.com <javascript:>
>
> On Thu, Feb 15, 2018 at 4:50 PM, Yanpeng Wu <peng...@gmail.com
> <javascript:>> wrote:
>
>> *helloworld.proto*
>>
>> syntax = "proto2";
>> package helloworld;
>>
>> // The greeting service definition.
>> service Greeter {
>> // Sends a greeting
>> rpc SayHello (HelloRequest) returns (stream HelloReply) {}
>> }
>>
>> // The request message containing the user's name.
>> message HelloRequest {
>> optional string name = 1;
>> }
>>
>> // The response message containing the greetings
>> message HelloReply {
>> optional string message = 1;
>> }
>>
>>
>> $../protobuf-2.5.0/bin/protoc -I. --cpp_out=. helloworld.proto
>> $ helloworld.proto:7:47: Expected ")".
>>
>> Furthermore, are there any harms to incorporate grpc-1.8.4 with
>> protobuf-2.5.0?
>>
>> Thanks!
>>
>>
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