pub fn key(&self) -> &KeyAt<E, A> {
        // FIXME: technically we have two keys: the one used during lookup and the one stored in the map.
        // maybe some apis want access to both?
        &self.key
    }
/// Get the key used during lookup of the entry
Get the key used during lookup of the entry
Get the key used during lookup of the entry
pub fn key(&self) -> &KeyAt<E, A> {
        // FIXME: technically we have two keys: the one used during lookup and the one stored in the map.
        // maybe some apis want access to both?
        &self.key
    }
pub fn key ( & self ) -> & KeyAt < E , A > { // FIXME: technically we have two keys: the one used during lookup and the one stored in the map. // maybe some apis want access to both? & self . key }
Get the key used during lookup of the entry
Get the key used during lookup of the entry
&self