//  A2_10.cpp

#include <iostream>
using namespace std;

class X { };

class C {

public:

// note: commenting out either of these member functions
//       results in a failure to compile

  C() { 
    cout << "\n  C::C() called"; 
  }
  C(const C &c) { cout << "\n  C::C(const C &c) called"; }
  C(const X &x) {
    cout << "\n  C::C(const X &x) called";
  }
};

void main() {

  X x;
  C c[3] = { x };  // A2 #10 corrected in class 
                   // initialize with instance, not class type
  // Note that promotion ctor called for c[0] and void ctor
  // called for c[1] and c[2].  Also note that the copy ctor
  // is not called.

  cout << "\n\n";
}