[package] name = "hello_world" version = "0.1.0" authors = ["Your Name <[email protected]>"] [dependencies] futures = "0.1.14" hyper = "0.11" で extern crate hyper; extern crate futures; use futures::future::Future; use hyper::header::ContentLength; use hyper::server::{Http, Request, Response, Service}; struct HelloWorld; const PHRASE: &'static str = "Hello, World!"; impl Service for HelloWorld { t