prost-msg-build

build prost struct with msg id so as to realize type judgment * examples

protobuf message Fail{ enum MsgId { None=0;Id = 150002; } int64 number=1; string message=2; }

auto impl MsgId and const fn

```rust

[derive(Clone, PartialEq, ::prost::Message)]

pub struct Fail { #[prost(int64, tag = "1")] pub number: i64, #[prost(string, tag = "2")] pub message: ::prost::alloc::string::String, }

[allow(dead_code)]

pub const FAILID: i32 = Fail::getmsg_id();

impl Fail { #[allow(deadcode)] pub const fn getmsg_id() -> i32 { 150002 } }

impl ::prostmsgid::MsgId for Fail { fn getmsgid(&self) -> i32 { Self::getmsgid() } }

///get all msg type id

[allow(dead_code)]

pub const fn msg_ids()->&'static [i32]{ &[ 150002, //.RunTT.Fail ] } ```

about prost-build

prost-build

prost-build makes it easy to generate Rust code from .proto files as part of a Cargo build. See the crate documentation for examples of how to integrate prost-build into a Cargo project.

protoc

prost-build uses protoc to parse the proto files. There are two ways to make protoc available for prost-build:

• Include protoc in your PATH. This can be done by following the [protoc install instructions].
• Pass the PROTOC=<my/path/to/protoc> environment variable with the path to protoc.

License

prost-build is distributed under the terms of the Apache License (Version 2.0).

See LICENSE for details.

Copyright 2017 Dan Burkert