!-- When code involves polymorphism, there needs to be a mechanism to determine -->

<!-- which specific version is actually run. This is called ‘dispatch’. There are -->

<!-- two major forms of dispatch: static dispatch and dynamic dispatch. While Rust -->

<!-- favors static dispatch, it also supports dynamic dispatch through a mechanism -->

<!-- called ‘trait objects’. -->

<p>コードがポリモーフィズムを伴う場合、実際に実行するバージョンを決定するメカニズ�