#import <Cocoa/Cocoa.h> #import <iostream> using namespace std; int main() { NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init]; NSMutableSet *mySet = [NSMutableSet set]; cout<<"Adding values to the set."<<endl; [mySet addObject:[NSNumber numberWithInt:356]]; [mySet addObject:[NSNumber numberWithInt:550]]; [mySet addObject:[NSNumber numberWithInt:914]]; cout<<"The set contains "<<[mySet count]<<" objects."<<endl; if ([mySet containsObject:[NSNumber numberWithInt:911]]) cout<<"It's there!"<<endl; else cout<<"It's not there."<<endl; [pool release]; return 0; }