인프런 커뮤니티 질문&답변

const returnWhatIPassIn = <T = number | string>(t: T) => {
  return t;
};

const one = returnWhatIPassIn(1);
const matt = returnWhatIPassIn("matt");

type tests = [Expect<Equal<typeof one, 1>>, Expect<Equal<typeof matt, "matt">>];

감사합니다.