EXAMPLE
------

    extern crate rocky;
    use rocky::{Rocky, Request, Response};
    use rocky::Redis;

    fn main() {
        fn default_handler(req: Request) -> Response {
            let mut resp = Response::new();
            resp.echo("404 Not Found.\n");
            resp.echo(&req.request_script);
            resp.echo(" lost.");
            return resp;
        }

        fn hello_handler(req: Request) -> Response {
            let mut resp = Response::new();
            resp.echo("hello world.\n");
            resp.echo("your request_uri is:");
            resp.echo(&req.request_script);
            return resp;
        }

        fn template_handler(req: Request) -> Response {
            let mut resp = Response::new();
            resp.set_template("123");
            resp.assign("var", "你好".to_string());
            resp.render();
            resp.echo("your request_uri is:");
            resp.echo(&req.request_script);
            return resp;
        }

        fn redis_handler(req: Request) -> Response {
            let mut resp = Response::new();
            let mut redis = Redis::new("redis://127.0.0.1:6379/");
            let value = redis.set("my_key", "store in redis.");
            let value = redis.get("my_key");
            resp.echo("redis example.");
            resp.echo(&value);
            return resp;
        }

        let mut rocky = Rocky::new("127.0.0.1", 4321);
        rocky.router.get("default", default_handler );
        rocky.router.get("/hello_world", hello_handler );
        rocky.router.get("/template", template_handler );
        rocky.router.get("/redis", redis_handler );
        rocky.run();
    }