typedef enum{s=1,m,t,w,th,f,sa} days;

@interface Sample:NSObject
{
    days d;
}

days.d or days.sa or days.th

typedef enum
{
    WeekdaySunday = 1,
    WeekdayMonday,
    WeekdayTuesday,
    WeekdayWednesday,
    WeekdayThursday,
    WeekdayFriday,
    WeekdaySaturday
} Weekday;

typedef NS_ENUM(NSInteger, Weekday)
{
    WeekdaySunday = 1,
    WeekdayMonday,
    WeekdayTuesday,
    WeekdayWednesday,
    WeekdayThursday,
    WeekdayFriday,
    WeekdaySaturday
};

typedef enum{s=1,m,t,w,th,f,sa} days;

days d1 =f;



    switch (d1) {
        case m:
        case t:
            NSLog(@"You like Tuesday");
            break;
        case w:
        case th:

            break;
        case f:
            NSLog(@"You like friday");
            break;
        case sa:
            NSLog(@"You satureday");
            break;
        case s:
            NSLog(@"You like sunday");
            break;
        default:
            break;
    }

#import <Foundation/Foundation.h>

 typedef enum{
   s=1,m,t,w,th,f,sa
} days;

 @interface weekday : NSObject
 @property (nonatomic, assign) days day;
 @end

 @implementation weekday
 @end

 int main(int argc, const char * argv[])
 {

  @autoreleasepool {

    weekday *sunDay=[[weekday alloc]init];
    sunDay.day=s;
    NSLog(@"Today is %d",sunDay.day);

  }
return 0;
}

typedef enum
{
    Atype = 1,
    Btype,
    Ctype,
    Dtype,
    Etype,

}type;