If a class or enumeration name and an object, function, or enumerator are declared in the same scope (in any order) with the same name, the class or enumeration name is hidden wherever the object, function, or enumerator name is visible.
If a class or enumeration name and an object, function, or enumerator are declared in the same scope (in any order) with the same name, the class or enumeration name is hidden wherever the object, function, or enumerator name is visible.
如果某类或枚举名字和一个对象，函数，或枚举符在相同作用域（以任意顺序）声明为相同名字，则一旦对象，函数，或枚举符的名字可见时，类或枚举的名字就被隐藏。