The Iron framework hasn't been updated in a long time. It still uses outdated versions of libraries like futures 0.1, hyper 0.12, url 1.7. We can clean up the repo by removing it. This will also slightly speed up CI.

2021-11-06 11:44:10 +00:00

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Web framework integration

Maud includes support for these web frameworks: Actix, Rocket, Rouille, and Tide.

Actix

Actix support is available with the "actix-web" feature:

# ...
[dependencies]
maud = { version = "*", features = ["actix-web"] }
# ...

Actix request handlers can use a Markup that implements the actix_web::Responder trait.

use actix_web::{get, App, HttpServer, Result as AwResult};
use maud::{html, Markup};
use std::io;

#[get("/")]
async fn index() -> AwResult<Markup> {
    Ok(html! {
        html {
            body {
                h1 { "Hello World!" }
            }
        }
    })
}

#[actix_web::main]
async fn main() -> io::Result<()> {
    HttpServer::new(|| App::new().service(index))
        .bind(("127.0.0.1", 8080))?
        .run()
        .await
}

Rocket

Rocket works in a similar way, except using the rocket feature:

# ...
[dependencies]
maud = { version = "*", features = ["rocket"] }
# ...

This adds a Responder implementation for the Markup type, so you can return the result directly:

#![feature(decl_macro)]

use maud::{html, Markup};
use rocket::{get, routes};
use std::borrow::Cow;

#[get("/<name>")]
fn hello<'a>(name: Cow<'a, str>) -> Markup {
    html! {
        h1 { "Hello, " (name) "!" }
        p { "Nice to meet you!" }
    }
}

fn main() {
    rocket::ignite().mount("/", routes![hello]).launch();
}

Rouille

Unlike with the other frameworks, Rouille doesn't need any extra features at all! Calling Response::html on the rendered Markup will Just Work®.

use maud::html;
use rouille::{Response, router};

fn main() {
    rouille::start_server("localhost:8000", move |request| {
        router!(request,
            (GET) (/{name: String}) => {
                Response::html(html! {
                    h1 { "Hello, " (name) "!" }
                    p { "Nice to meet you!" }
                })
            },
            _ => Response::empty_404()
        )
    });
}

Tide

Tide support is available with the "tide" feature:

# ...
[dependencies]
maud = { version = "*", features = ["tide"] }
# ...

This adds an implementation of From<PreEscaped<String>> for the Response struct. Once provided, callers may return results of html! directly as responses:

use maud::html;
use tide::Request;
use tide::prelude::*;

#[async_std::main]
async fn main() -> tide::Result<()> {
    let mut app = tide::new();
    app.at("/hello/:name").get(|req: Request<()>| async move {
        let name: String = req.param("name")?.parse()?;
        Ok(html! {
            h1 { "Hello, " (name) "!" }
            p { "Nice to meet you!" }
        })
    });
    app.listen("127.0.0.1:8080").await?;
    Ok(())
}

Axum

Axum support is available with the "axum" feature:

# ...
[dependencies]
maud = { version = "*", features = ["axum"] }
# ...

This adds an implementation of IntoResponse for Markup/PreEscaped<String>. This then allows you to use it directly as a response!

use maud::{html, Markup};
use axum::{Router, handler::get};

async fn hello_world() -> Markup {
    html! {
        h1 { "Hello, World!" }
    }
}

#[tokio::main]
async fn main() {
    // build our application with a single route
    let app = Router::new().route("/", get(hello_world));

    // run it with hyper on localhost:3000
    axum::Server::bind(&"0.0.0.0:3000".parse().unwrap())
        .serve(app.into_make_service())
        .await
        .unwrap();
}

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