> a system can just be a function, an entity just an ID and a component should be plain old data anyway, so a struct is perfect. Correct. This is exactly how m

> a system can just be a function, an entity just an ID and a component should be plain old data anyway, so a struct is perfect. Correct. This is exactly how most ECS frameworks are implemented today (except when it's implemented in languages that doesn't have those features, of course).