rustHow to convert struct to protobuf in Rust
Converting a struct to protobuf in Rust is done using the prost
crate.
To convert a struct to protobuf, the struct must first be annotated with #[derive(Message)]
and the fields must be annotated with #[prost(...)]
.
Example code
#[derive(Message)]
struct MyStruct {
#[prost(int32, tag = "1")]
my_field: i32,
}
The #[derive(Message)]
annotation tells the compiler to generate code to serialize and deserialize the struct into protobuf. The #[prost(...)]
annotation tells the compiler how to serialize and deserialize the field.
The generated code can then be used to convert the struct to protobuf:
let my_struct = MyStruct { my_field: 42 };
let mut buf = Vec::new();
my_struct.encode(&mut buf).unwrap();
The encode
method serializes the struct into protobuf and writes it to the buf
vector.
Related
- Example of struct of structs in Rust
- How to init zero struct in Rust
- Example of struct private field in Rust
- How to create struct from hashmap in Rust
- Example of constant struct in Rust
- Example of bit field in Rust struct
- How to serialize struct to xml in Rust
- How to extend struct from another struct in Rust
- Rust struct without fields
- How to update struct in Rust
More of Rust
- How to replace a capture group using Rust regex?
- How to use regex to match a double quote in Rust?
- How to use regex with bytes in Rust?
- How to calculate the inverse of a matrix in Rust?
- How to implement PartialEq for a Rust HashMap?
- How to create enum from number in Rust
- How to replace strings using Rust regex?
- How to perform matrix operations in Rust?
- How to match the end of a line in a Rust regex?
- How to convert JSON to a struct in Rust?
See more codes...