Serializers

Normally when using "serde_json" and #[derive(Serialize)] you only can have one JSON representation for a type, however sometimes you might need another one which has more or less data.

This crate makes it easy to create "serializers" that take some value and turn it into JSON. You get to decide for each serializer which type it serializes, and which fields and associations it includes.

Install

toml [dependencies] serializers = "0.1.2"

Example

```rust

[macro_use]

extern crate serializers;

use serializers::*;

struct User { id: u64, name: String, country: Country, friends: Vec, }

[derive(Clone)]

struct Country { id: u64, }

serializer! { serializeuser { attr(id) attr(name) hasone(country, serializecountry) hasmany(friends, serialize_user) } }

serializer! { serialize_country { attr(id) } }

fn main() { let denmark = Country { id: 1, };

let bob = User {
    id: 1,
    name: "Bob".to_string(),
    country: denmark.clone(),
    friends: vec![
        User {
            id: 2,
            name: "Alice".to_string(),
            country: denmark.clone(),
            friends: vec![],
        }
    ],
};

let json = serialize_user.serialize(&bob);

assert_eq!(
    json,
    "{\"country\":{\"id\":1},\"friends\":[{\"country\":{\"id\":1},\"friends\":[],\"id\":2,\"name\":\"Alice\"}],\"id\":1,\"name\":\"Bob\"}"
);

} ```

See the API docs for more info.