"modern Objective-C" syntax

gistfile1.m

//"modern Objective-C" syntax


//new enum-macros for better autocompletion, switch statement, more precise warnings, ...

typedef NS_ENUM(NSInteger, MyViewContentMode) { 
    MyViewContentModeLeft,
    MyViewContentModeRight,
    MyViewContentModeTopLeft,
    MyViewContentModeTopRight,
    MyViewContentModeBottomLeft,
    MyViewContentModeBottomRight,
};

typedef NS_OPTIONS(NSUInteger, MyViewAutoresizing) {
    MyViewAutoresizingNone                 = 0,
    MyViewAutoresizingFlexibleLeftMargin   = 1 << 0,
    MyViewAutoresizingFlexibleWidth        = 1 << 1,
    MyViewAutoresizingFlexibleRightMargin  = 1 << 2,
};



@interface MyModernClass() //Class extension: Private interface

  @property(nonatomic, strong) NSNumber* doubleNumber; 

@end


@implementation MyModernClass


-(void)startAsynchronous{
  _doubleNumber = [NSNumber numberWithDouble: 4.6];

  [self doSomethingLaterDeclared];
}

-(void)doSomethingLaterDeclared{

    //literals


    NSArray* array = @[@"one", @"two"];

    NSDictionary* dic = @{@"key1":@"value1",
                          @"key2":@YES,
                          @"key3":@3.0};

    NSDictionary* jsonPostBodyDic = @{@"update":@{
                                      @"app":@{
                                             @"bundle_id":@NO, 
                                             @"version":@[@1, @0, @0]
                                           },
                                      @"last_updated": [NSNull null]
                                     }
                                   };





   //container subscripting


    NSNumber* boolNumber = dic[@"key2"];   //instead of [dic objectForKey:@"key2"];
    NSString* string = array[1];           //instead of [array objectAtIndex:idx]; 




    NSMutableDictionary* mutableDic = [NSMutableDictionary dictionaryWithDictionary:dic];

    mutableDic[@"key2"] = @"asd";         // instead of [mutableDic setObject:@"asd" forKey:@"key2"]
    mutableDic[@"key4"] = @34.5f;        // instead of [mutableDic setObject:@34.5f forKey:@"key4"]

    NSMutableArray* mutableArray = [NSMutableArray arrayWithArray:array];
    
    mutableArray[1] = @"neu";      // instead of [mutableArray replaceObjectAtIndex:1 withObject:@"neu"];
    mutableArray[[mutableArray count]] = @"neuneu"; // instead of  [mutableArray addObject:@"neuneu"];;
    





}





@end