Implementation of Party initializers deferring to a Designated Initializer

gistfile1.m

// Implementation of Party initializers deferring to a Designated Initializer

#import "Party.h"

@implementation Party

-(Party*)initWithLocation:(NSString*)location {
    return [self initWithLocation: location date:[self defaultDate] attendees:[self defaultAttendees]];
};

-(Party*)initWithLocation:(NSString*)location date:(NSDate*)date{
    return [self initWithLocation: location date:date attendees:[self defaultAttendees]];
};

-(Party*)initWithLocation:(NSString*)location attendees: (NSArray*)attendees{
    return [self initWithLocation: location date:[self defaultDate] attendees:[self defaultAttendees]];
};

-(Party*)initWithLocation:(NSString*)location date:(NSDate*)date attendees:(NSArray*)attendees{
    self = [super init];
    self.location = location;
    self.date = date;
    self.attendees = attendees;
    return self;
};

-(NSDate*)defaultDate {
    return [NSDate date];
}

-(NSArray*)defaultAttendees {
    return @[];
}


@end