codigocomentado/src/main.rs

#![feature(proc_macro_hygiene, decl_macro)]

#[macro_use]
extern crate rocket;
extern crate rand;
extern crate rocket_contrib;

use rand::Rng;
use rocket_contrib::serve::StaticFiles;
use rocket_contrib::templates::Template;
use std::collections::HashMap;

const TITLES: [&str; 4] = ["/* {} */", "# {}", "// {}", "<!-- {} -->"];

#[get("/")]
fn index() -> Template {
    let mut rng = rand::thread_rng();
    let mut context = HashMap::new();
    let title_fmt = TITLES[rng.gen_range(0, TITLES.len())];
    let title = str::replace(title_fmt, "{}", "CódigoComentado");
    context.insert("title", title);
    Template::render("index", context)
}

fn main() {
    rocket::ignite()
        .attach(Template::fairing())
        .mount("/", routes![index])
        .mount("/static", StaticFiles::from("static"))
        .launch();
}