函数String()接收一个字符串 string,将其封装到一个表({value =sor ''})中,并将元表 mt赋值给这个表。
The function String() takes a string, string, wraps it in a table ({value = s or ''}), and assigns the metatable mt to the table.
函数String()接收一个字符串 string,将其封装到一个表({value =sor ''})中,并将元表 mt赋值给这个表。
The function String() takes a string, string, wraps it in a table ({value = s or ''}), and assigns the metatable mt to the table.
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