actix-web-lab 0.29.0

In-progress extractors and middleware for Actix Web
Documentation 
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use std::future::ready;

use actix_web::{
    Error, HttpResponseBuilder,
    body::BoxBody,
    dev::{Service, ServiceRequest, ServiceResponse, fn_service},
    http::StatusCode,
};

/// Creates service that always responds with given status code and echoes request path as response
/// body.
pub fn echo_path_service(
    status_code: StatusCode,
) -> impl Service<ServiceRequest, Response = ServiceResponse<BoxBody>, Error = Error> {
    fn_service(move |req: ServiceRequest| {
        let path = req.path().to_owned();
        ready(Ok(req.into_response(
            HttpResponseBuilder::new(status_code).body(path),
        )))
    })
}