Function declarations may include class type hints for their parameters. If the functions are called with an incorrect class type an error occurs.

函数声明可以包含类类星体是作为他们的参数，如果一个函数被一个错误的类调用将打印一个错误。

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Function declarations may include class type hints for their parameters. If the functions are called with an incorrect class type an error occurs.

函数声明可以包含类类星体是作为他们的参数，如果一个函数被一个错误的类调用将打印一个错误。

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