Function actix_web::web::to

pub fn to<F, I, R>(handler: F) -> Route where
    F: Handler<I, R>,
    I: FromRequest + 'static,
    R: Future + 'static,
    R::Output: Responder + 'static,
    <R::Output as Responder>::Body: MessageBody + 'static,
    <<R::Output as Responder>::Body as MessageBody>::Error: Into<Box<dyn StdError + 'static>>, 

Creates a new any-method route with handler.

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

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

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