另外这个新的实现对参数个数没有任何限制，比如：

//
val f40 = (x1: Int, x2: Int, x3: Int, x4: Int, x5: Int, x6: Int, x7: Int, x8: Int, x9: Int, x10: Int, x11: Int, x12: Int
, x13: Int, x14: Int, x15: Int, x16: Int, x17: Int, x18: Int, x19: Int, x20: Int, x21: Int, x22: Int, x23: Int, x24: Int, x25: Int, x26: Int, x27: Int,
x28: Int, x29: Int, x30: Int, x31: Int, x32: Int, x33: Int, x34: Int, x35: Int, x36: Int, x37: Int, x38: Int, x39: Int, x40: Int) => 0

val ans = f40.willBe(xx)

【 在 bsxfun 的大作中提到: 】
: 库代码本来就是让别人用着爽，实现起来很麻烦，这样也很正常。
: 另外这一坨代码在Scala3.2之后用两行代码就搞定了：
: [code=scala]
: ...................
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FROM 183.192.18.*