问题

C++ 中 enum 的使用, 例如

enum {Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday}

则整数常量 Sunday, Monday, Tuesday,..., Saturday 按默认方式依次被赋值为 0,1,2,...,6.

也可以为枚举命名. 例如

enum Months{January, February, March, April, May, June, July, August, September, October, November, December}