Transport agnostic jsonrpc library.
Right now it supports only server side handling requests.
use IoHandler;
use Value;
let mut io = new;
io.add_sync_method;
let request = r#"{"jsonrpc": "2.0", "method": "say_hello", "params": [42, 23], "id": 1}"#;
let response = r#"{"jsonrpc":"2.0","result":"Hello World!","id":1}"#;
assert_eq!;