Swift option错误Method cannot be a member of an @objc protocol because the type of the parameter 2 cannot be represented in Objective-C解决方法
在swift中protocol如果要用optional的话必须在protocol前加@objc，比如说
enum moreType {
case moreshowUnBtnMoreType
case moreNoUnBtnMoreType
case unBtnMoreType
}
Method cannot be a member of an @objc protocol because the type of the parameter 2 cannot be represented in Objective-C“`
是因为该方法中的枚举moreType没有@objc，在moreType前加上@objc，并加上raw type:Int就可以了
@objc enum moreType:Int{
case moreshowUnBtnMoreType
case moreNoUnBtnMoreType
case unBtnMoreType
}
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