indexset.m

#import <Foundation/Foundation.h>
int main() {
    NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];

    NSMutableIndexSet * set = [NSMutableIndexSet indexSet];
    [set addIndex:111];
    [set addIndex:222];
    [set addIndex:333];
    [pool release];
    return 0;
}