如果调用非法，指出是没有函数匹配还是该调用存在二义性。

If the call is illegal, indicate whether there is no match or why the call is ambiguous.

youdao

如果调用非法，指出是没有函数匹配还是该调用存在二义性。

If the call is illegal, indicate whether there is no match or why the call is ambiguous.

youdao