ObjCppRefOperator.mm

#import <Foundation/Foundation.h>

class CppClass
{
    public:
        void doIt();
}
;

@interface Foo : NSObject

- (void)doSomething:(CppClass &)cls;

@end


void CppClass::doIt()
{
    NSLog(@"ASFD");
}

@implementation Foo

- (void)doSomething:(CppClass &)cls;
{
    cls.doIt();
}

@end

int main(int argc, char **argv)
{
    Foo *f = [[Foo alloc] init];

    CppClass c;

    [f doSomething:c];

    return 0;
}