pub fn iter(&self) -> HeadersItems {
        HeadersItems {
            inner: self.data.iter()
        }
    }
/// Returns an iterator over the header fields.
Returns an iterator over the header fields.
Returns an iterator over the header fields .
pub fn iter(&self) -> HeadersItems {
        HeadersItems {
            inner: self.data.iter()
        }
    }
pub fn iter ( & self ) -> HeadersItems { HeadersItems { inner : self . data . iter ( ) } }
Returns an iterator over the header fields.
Returns an iterator over the header fields .
&self
&self