이 레슨은 당분간 영어로 제공돼요.
Derive, don't duplicate
When Post gains a field, every hand-copied variant of it goes stale. Utility types build new types from existing ones, so they stay in sync automatically.
이 레슨은 당분간 영어로 제공돼요.
When Post gains a field, every hand-copied variant of it goes stale. Utility types build new types from existing ones, so they stay in sync automatically.