Introducing Pencil: A Microframework Inspired By Flask For Rust — Shipeng Feng's WritingsIntroducing Pencil: A Microframework Inspired By Flask For Rust extern crate pencil; use pencil::{Pencil, Request, Response, PencilResult}; fn hello(_: &mut Request) -> PencilResult { Ok(Response::from("Hello World!")) } fn main() { let mut app = Pencil::new("/web/hello"); app.get("/", "hello", hello); app.run("127.0.0.1:5000"); } fn user(r: &mut Request) -> PencilResult { let user_id = r.view_arg
