Custom class implementations set and get data based on array/dictionary literal syntax

. h file

#import <Foundation/Foundation.h> @interface testkvc:nsobject {nsmutabledictionary *mdictionary; Nsmutablearray *marray;} -(void) SetObject: (ID) object forkeyedsubscript: (ID < nscopying >) akey;-(ID) Objectforkeyedsubscript: (ID) key;-( void) SetObject: (ID) anobject atindexedsubscript: (Nsuinteger) index;-(ID) objectatindexedsubscript: (NSUInteger) idx; @end

. m file

#import   "TestKVC.h" @implementation  TestKVC-  (ID) init {         self = [super init];    if  (self)  {         mArray = [NSMutableArray array];         mdictionary = [nsmutabledictionary dictionary];    }         return self;} -  (void) SetObject: (ID) Anobject atindexedsubscript: (Nsuinteger) index {    [ Marray insertobject:anobject atindex:index];} -  (ID) objectatindexedsubscript: (Nsuinteger) idx {    return [marray  OBJECTATINDEX:IDX];} -  (void) SetObject: (ID) Object forkeyedsubscript: (id < nscopying >) aKey {     [mdictionary setobject:object forkey:akey];} -  (ID) objectforkeyedsUbscript: (ID) key {    return [mdictionary objectforkey:key];} @end

Use

    TestKVC *test = [[TestKVC alloc] init];     test[@ "Key"] = @ "Hello";     id value = test[@ "key"];         [test setobject:@ "World"  forkeyedsubscript:@ "Key0"];     id value0 = [test objectforkeyedsubscript:@ "Key0"];         nslog (@ "%@ %@",  value, value0);  // hello  world            test[0] = @ "Hello";     test[1] = @ "World";        id  v0 = test[0];    id v1 = test[1];         nslog (@ "%@  %@",  v0, v1);          // hello woRld 

Custom class implementations set and get data based on array/dictionary literal syntax