Mover Operator Visual C++

#include <iostream>
#include <cstdlib>
#include <cstring>

using namespace std;

class MyContainer
{
public:

 MyContainer( int nS , const char *pS ) : nSize( nS )
 {
  pString = new char[ nSize ];
  strcpy( pString , pS );
 }

 ~MyContainer()
 {
  delete pString;
  pString = nullptr;
 }

 //copiando constructor
 MyContainer( const MyContainer &s )
 {
  copyIt( *this , s );
 }

 MyContainer &operator=( MyContainer &s )
 {
  delete pString;
  copyIt( *this , s );
  return *this;
 }

 //mueve el constructor
 MyContainer &operator=( MyContainer &&s )
 {
  delete pString;
  copyIt( *this , s );
  return *this;
 }

protected:

 static void moveIt( MyContainer &tgt , MyContainer &src )
 {
  cout << "Moviendo " << src.pString << endl;
  tgt.nSize = src.nSize;
  tgt.pString = src.pString;
  src.nSize = 0;
  src.pString = nullptr;
 }

 static void copyIt( MyContainer &tgt , const MyContainer &src )
 {
  cout << "Copiando " << src.pString << endl;
  delete tgt.pString;
  tgt.nSize = src.nSize;
  tgt.pString = new char[ tgt.nSize ];
  strncpy( tgt.pString , src.pString , tgt.nSize );
 }

 int nSize;
 char *pString;
};

MyContainer fn( int n , const char *pString )
{
 MyContainer b( n , pString );
 return b;
}

int main( int argc , char *argv[] )
{
 MyContainer mc( 100 , "Original");

 mc = fn( 100 , "Creada en fn()");

 system("pause");
 return 0;
}