调用重载的函数时，将调用其参数最密切匹配传递参数的重载函数，具体取决于传递给函数的实际参数类型。

When an overloaded function is called, the overloaded function whose arguments most closely match the passed arguments is called, depending on the actual types of arguments passed to the function.

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不支持探测重载和多态的函数。

Probing of overloaded and polymorphic functions is not supported.

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在编写扩展函数时，应谨慎处理根据实参类型进行的方法重载。

Be cautious about method overloading based on argument type when you write extension functions.

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