lambda-router 0.1.5

lambda-router is a simple library to help with routing http-api-gateway requests to handlers in the same lambda that receive and return json.
Documentation 
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//! # not_found
//! a simple 404 response with no body for convenience

use lambda_http::{Body, Error, Request, Response};

/// a simple 404 response when no routes are matched. provided as a convenience
/// you can see how to implement your own in the docs
pub async fn not_found(_: Request) -> Result<Response<Body>, Error> {
    let resp = lambda_http::Response::builder()
        .status(404)
        .body(().into())
        .map_err(Box::new)?;

    Ok(resp)
}