타입가드 typescript Type guard 타입 가드 type Guard is a feature of TypeScript that automatically narrows down the scope of types. A good use of typeguard is to avoid type assertion code. typescript doesn't think of a number, but the developer injects the numbe... typescript타입가드type guardtype guard
typescript Type guard 타입 가드 type Guard is a feature of TypeScript that automatically narrows down the scope of types. A good use of typeguard is to avoid type assertion code. typescript doesn't think of a number, but the developer injects the numbe... typescript타입가드type guardtype guard