[typescript]type function

Tue Feb 11

typescript

Author：Noritaka

function add(num1: number, num2: number) {
  return num1 + num2;
}

const secondAdd: (n1: number, n2: number) => number = add;

const thirdAdd: (n1: number, n2: number) => number =
  function (num1: number, num2: number) {
    return num1 + num2;
  };

const fourthAdd =
  function (num1: number, num2: number) {
    return num1 + num2;
  };

const fifthAdd: (n1: number, n2: number) => number =
  function (num1, num2) {
    return num1 + num2;
  };