pub async fn notify(id: &str, addr: &str) -> StoreResult<()> {
        // TODO: implement this
        (id, addr);
        Ok(())
    }
// notify this node that a node is available at addr.
notify this node that a node is available at addr.
notify this node that a node is available at addr .
pub async fn notify(id: &str, addr: &str) -> StoreResult<()> {
        // TODO: implement this
        (id, addr);
        Ok(())
    }
pub async fn notify ( id : & str , addr : & str ) -> StoreResult < ( ) > { // TODO: implement this ( id , addr ) ; Ok ( ( ) ) }
notify this node that a node is available at addr.
notify this node that a node is available at addr .
id
&str
addr
&str
id
&str
addr
&str