/// Returns an iterator allowing you to go through all keys of the key/value pairs contained in
/// this object.
Returns an iterator allowing you to go through all keys of the key/value pairs contained in
this object.
Returns an iterator allowing you to go through all keys of the key / value pairs contained in this object .
pub fn keys(&self) -> impl Iterator<Item = String> {
        self.0
            .keys()
            // Header.keys() doesn't error: https://developer.mozilla.org/en-US/docs/Web/API/Headers/keys
            .unwrap()
            .into_iter()
            // The keys iterator.next() will always return a proper value containing a string
            .map(|a| a.unwrap().as_string().unwrap())
    }
pub fn keys ( & self ) -> impl Iterator < Item = String > { self . 0 . keys ( ) // Header.keys() doesn't error: https://developer.mozilla.org/en-US/docs/Web/API/Headers/keys . unwrap ( ) . into_iter ( ) // The keys iterator.next() will always return a proper value containing a string . map ( | a | a . unwrap ( ) . as_string ( ) . unwrap ( ) ) }
Returns an iterator allowing you to go through all keys of the key/value pairs contained in
this object.
Returns an iterator allowing you to go through all keys of the key / value pairs contained in this object .
&self