update examples

examples/string_vec_extractors.rs → examples/body_types.rs

@@ -1,5 +1,15 @@
 #![feature(async_await, futures_api)]
 
+#[macro_use]
+extern crate serde_derive;
+use tide::body;
+
+#[derive(Serialize, Deserialize, Clone, Debug)]
+struct Message {
+  author: Option<String>,
+  contents: String,
+}
+
 async fn echo_string(msg: String) -> String {
   println!("String: {}", msg);
   format!("{}", msg)
@@ -11,9 +21,16 @@ async fn echo_vec(msg: Vec<u8>) -> String {
   String::from_utf8(msg).unwrap()
 }
 
+async fn echo_json(msg: body::Json<Message>) -> body::Json<Message> {
+  println!("JSON: {:?}", msg.0);
+
+  msg
+}
+
 fn main() {
   let mut app = tide::App::new(());
   app.at("/echo/string").post(echo_string);
   app.at("/echo/vec").post(echo_vec);
+  app.at("/echo/json").post(echo_json);
   app.serve("127.0.0.1:8000");
 }