avoid-unnecessary-type-params

SKILL.md

The "Golden Rule of Generics" states that type parameters should appear twice or more in a function signature. If a type parameter only appears once, it's not relating anything and is likely unnecessary. Unnecessary type parameters create a false sense of type safety and can make inference less successful.

This skill helps you identify and eliminate superfluous type parameters, resulting in cleaner, more maintainable code that TypeScript can infer more effectively.

Type parameters must appear twice or more to establish a relationship. If a type parameter only appears once, strongly reconsider if you need it.

일반 함수나 유형을 작성할 때 사용합니다. 유형 서명을 검토할 때 사용합니다. 유형 매개변수가 한 번만 나타날 때 사용합니다. "유연성"을 위해 제네릭을 추가하고 싶을 때 사용하세요. 출처: marius-townhouse/effective-typescript-skills.

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