Method warning_code

http-cache/src/lib.rs:921–925

(&self)

                );
            }
        }
        Ok(converted.into_parts().0)
    }

    /// Returns the status code of the warning header if present
    #[must_use]
    fn warning_code(&self) -> Option<usize> {
        self.headers.get(WARNING).and_then(|hdr| {