我知道,枚举常数在swift中应该是这样的
enum CompassPoint {
case North
case South
case East
case West
}
但我如何为第一个元素赋值,比如下面的Objective-C代码
enum ShareButtonID : NSInteger
{
ShareButtonIDFB = 100,
ShareButtonIDTwitter,
ShareButtonIDGoogleplus
}ShareButtonID;