Method header

crates/test-programs/src/http.rs:26–30

(&self, name: &str)

impl Response {
    pub fn header(&self, name: &str) -> Option<&Vec<u8>> {
        self.headers
            .iter()
            .find_map(|(k, v)| if k == name { Some(v) } else { None })
    }
}

pub fn request(