Function choices::warp::filters::header::headers_cloned [−][src]
pub fn headers_cloned() -> impl Filter + Copy
Create a Filter
that returns a clone of the request’s HeaderMap
.
Example
use warp::{Filter, http::HeaderMap}; let headers = warp::header::headers_cloned() .map(|headers: HeaderMap| { format!("header count: {}", headers.len()) });