30秒学会 Dart 片段 – isEven

Returns true if the given number is even, false otherwise.

Checks whether a number is odd or even using the modulo (%) operator.
Returns true if the number is even, false if the number is odd.

代码实现

bool isEven(num n) {
  return n % 2 == 0;
}

使用样例

isEven(3); // false