doc: update readme

README.md

@@ -25,17 +25,21 @@ cargo add haro
 Then, on your main.rs:
 
 ```Rust
-use haro::{Application, Request, Response};
+use haro::{Application, Request, Response, Handler};
 use serde_json::json;
 
 fn main() {
- let mut app = Application::new("0:8000");
- app.route("/", |_|Response::str("Hello Haro"));
- app.route("/hello/:name", hello);
+ let mut app = Application::new("0:8080");
+ let hello_handler = HelloHandler {
+ name: "Haro".to_string(),
+ };
+ app.route("/", |_| Response::str("Hello Haro")); // route by closure
+ app.route("/input/:name", input); // route by function
+ app.route_handler("/hello", hello_handler); //route by `Handler` trait type
  app.run();
 }
 
-fn hello(req: Request) -> Response {
+fn input(req: Request) -> Response {
  let data = json!({
  "method":req.method(),
  "args":req.args,
@@ -44,6 +48,16 @@ fn hello(req: Request) -> Response {
  });
  Response::json(data)
 }
+
+struct HelloHandler {
+ name: String,
+}
+
+impl Handler for HelloHandler {
+ fn call(&self, _: Request) -> Response {
+ Response::str(format!("hello {}", self.name))
+ }
+}
 ```
 
 ```bash
@@ -56,7 +70,7 @@ Hello Haro
 ```
 
 ```bash
-http post "localhost:8080/hello/world?a=b" c=d
+http post "localhost:8080/input/world?a=b" c=d
 HTTP/1.1 200 OK
 content-length: 77
 content-type: application/json

examples/readme/main.rs

@@ -0,0 +1,33 @@
+use haro::{Application, Handler, Request, Response};
+use serde_json::json;
+
+fn main() {
+ let mut app = Application::new("0:8080");
+ let hello_handler = HelloHandler {
+ name: "Haro".to_string(),
+ };
+ app.route("/", |_| Response::str("Hello Haro")); // route by closure
+ app.route("/input/:name", input); // route by function
+ app.route_handler("/hello", hello_handler); //route by `Handler` trait type
+ app.run();
+}
+
+fn input(req: Request) -> Response {
+ let data = json!({
+ "method":req.method(),
+ "args":req.args,
+ "params":req.params,
+ "data":req.data,
+ });
+ Response::json(data)
+}
+
+struct HelloHandler {
+ name: String,
+}
+
+impl Handler for HelloHandler {
+ fn call(&self, _: Request) -> Response {
+ Response::str(format!("hello {}", self.name))
+ }
+}