このレッスンは、現在英語のみです。
One contract, many types
A post, a game result and a like are different things, yet each can earn points. An interface lets you write code that works with anything that earns points, and inheritance lets one type build on another.
このレッスンは、現在英語のみです。
A post, a game result and a like are different things, yet each can earn points. An interface lets you write code that works with anything that earns points, and inheritance lets one type build on another.