상속은 없습니다. • This may be a good time to let people know there are different types of structs. – Zero-sized structs (e.g. struct Foo;) might be used when implementing a trait on some type but don’ t have knows at runtime which variant is in a PlayerMove value. • This might be a good time to compare structs and enums: – In both, you can have a simple version without fields (unit struct) or one with different (variant payloads). – You could even implement the different variants of an enum with separate structs but then they wouldn’ t be the same type as they would if they were all defined in an enum. • Rust

상속은 없습니다. • This may be a good time to let people know there are different types of structs. – Zero-sized structs (e.g. struct Foo;) might be used when implementing a trait on some type but don’ t have knows at runtime which variant is in a PlayerMove value. • This might be a good time to compare structs and enums: – In both, you can have a simple version without fields (unit struct) or one with different (variant payloads). – You could even implement the different variants of an enum with separate structs but then they wouldn’ t be the same type as they would if they were all defined in an enum. • Rust