extern crate pen;
use pen::{Pen, Request, Response, PenResult};
fn hello(_: &mut Request) -> PenResult {
    Ok(Response::from("Hello World!"))
}
fn main() {
    let mut app = Pen::new("/web/hello");
    app.get("/", "hello", hello);
    app.run("127.0.0.1:5000");
}