如果指派的值是不可变动的实值类别，则方法会传回物件本身，而不是类别的复本。

If the value being assigned is an immutable value class, the method returns the object itself, instead of a copy of the class.

youdao

如果指派的值是不可变动的实值类别，则方法会传回物件本身，而不是类别的复本。

If the value being assigned is an immutable value class, the method returns the object itself, instead of a copy of the class.

youdao