#import <Foundation/Foundation.h>
        
union mixed {int i; float f; char c;};

int main() {
    
    union mixed x;
    x.i = 5;
    NSLog(@"%d", x.i);
    x.f = 2.5;
    NSLog(@"%f", x.f);
    x.c = 'A';
    NSLog(@"%c", x.c);
    
    return 0;
}