MethodExtension
public static class IntExtension { private static int _Mask = 0x1; /// <summary> /// 奇数かどうか /// </summary> /// <returns></returns> public static bool IsOdd(this int self) { return (self & _Mask) == _Mask; } /// <summary> /// 偶数かどうか /// </summary> /// <returns></returns> public static bool IsEven(thi…
