Swift中的类,结构体和枚举可以进行嵌套,即在某一类型的内部定义类,这种类型嵌套在JAVA中称为内部类,在C#中称为嵌套类,它们的形式和定义是相似的,类型嵌套的有点是能够访问它外部的成员,包括方法,属性和其他的嵌套类型,嵌套还可以有多个层次
示例:
- classEmployee{
- varno:Int=0
- varname:String=""
- varjob:String=""
- varsalary:Double=0
- vardept:Department=Department()
- varday:WeekDays=WeekDays.Friday
- }
- structDepartment{
- varno:Int=100
- varname:String="sales"
- }
- enumWeekDays{
- caseMonday
- caseTuesday
- caseWednesday
- caseThursday
- caseFriday
- structDay{
- staticvarmessage:String="Todayis...."
- }
- }
- }
- varemp=Employee()
- println(emp.dept.name)
- println(emp.day)