static Result GetResult(Morra x, Morra y) => (x, y) switch
{
(Morra.剪刀, Morra.布) => Result.勝,
(Morra.布, Morra.石頭) => Result.勝,
(Morra.石頭, Morra.剪刀) => Result.勝,
_ when x.Equals(y) => Result.平,
_ => Result.敗
};
static Result GetResult(Morra first, Morra second) => (first, second) switch
{
(Morra.剪刀, Morra.布) => Result.勝,
(Morra.布, Morra.石頭) => Result.勝,
(Morra.石頭, Morra.剪刀) => Result.勝,
// (Morra x, Morra y) when x == y => Result.平,
// 因為是 value type 所以用 var 也可以
//(var x, var y) when x == y => Result.平,
// var (x, y) when x == y => Result.平,
// 在 discard 使用 when
_ when first == second => Result.平,
_ => Result.敗
};
}
