Function actix_web::web::to

pub fn to<F, I, R, U>(handler: F) -> Route where
    F: Factory<I, R, U>,
    I: FromRequest + 'static,
    R: Future<Output = U> + 'static,
    U: Responder + 'static, 

Create a new route and add handler.

use actix_web::{web, App, HttpResponse, Responder};

async fn index() -> impl Responder {
   HttpResponse::Ok()
}

App::new().service(
    web::resource("/").route(
        web::to(index))
);