nsstrings

gistfile1.m

    NSString *foo = @"foo";
    NSString *bar = [NSString stringWithString:@"bar"];    
    NSString *baz = [[NSString alloc] initWithString:@"baz"];
    NSMutableString *bax = [NSMutableString stringWithString:@"bax"];    
    
    NSData *objData = [NSData dataWithBytes:foo length:malloc_size(foo)];
    NSLog(@"%s foo contains %@, hash %lu, retain %i",class_getName(object_getClass(foo)),objData,[foo hash],[foo retainCount]); 

    objData = [NSData dataWithBytes:bar length:malloc_size(bar)];
    NSLog(@"%s bar contains %@, hash %lu, retain %i",class_getName(object_getClass(bar)),objData,[bar hash],[bar retainCount]); 
    
    objData = [NSData dataWithBytes:baz length:malloc_size(baz)];
    NSLog(@"%s baz contains %@, hash %lu, retain %i",class_getName(object_getClass(baz)),objData,[baz hash],[baz retainCount]);   
    
    objData = [NSData dataWithBytes:bax length:malloc_size(bax)];
    NSLog(@"%s bax contains %@, hash %lu, retain %i",class_getName(object_getClass(bax)),objData,[bax hash],[bax retainCount]);  



2012-02-12 19:40:32.642 SandBox[6487:60b] __NSCFConstantString foo contains <>, hash 519204735, retain -1
2012-02-12 19:40:32.661 SandBox[6487:60b] __NSCFConstantString bar contains <>, hash 516794616, retain -1
2012-02-12 19:40:32.662 SandBox[6487:60b] __NSCFConstantString baz contains <>, hash 516794688, retain -1
2012-02-12 19:40:32.662 SandBox[6487:60b] __NSCFString bax contains <18cbab75 ff7f0000 ad070000 01000000 70841600 01000000 03000000 00000000 20000000 00000000 00020000 00000000 00000000 00000000 00000000 00000000>, hash 516794670, retain 1