#include <vector>
#include <iostream>
 
int g_serial = 0;
 
struct Rock
{
   Rock( char id ) :
      id( id ),
      serial( g_serial++ )
   {
      std::cout << __PRETTY_FUNCTION__;
      whoami();
   }
 
   Rock( const Rock& copy ) :
      id( copy.id ),
      serial( g_serial++ )
   {
 
      std::cout << __PRETTY_FUNCTION__;
      whoami();
   }
 
   ~Rock( void )
   {
      std::cout << __PRETTY_FUNCTION__;
      whoami();
   }
 
   void whoami( void ) const
   {
      std::cout << " id: " << id << ", serial: " << serial << '\n';
   }
 
   char id;
   int serial;
};
 
int main()
{
   std::cout << "constructing vector\n";
   std::vector<Rock> vr;
   std::cout << "constructing rocks\n";
   Rock ra('a'), rb('b'), rc('c');
 
   std::cout << "reserving vector\n";
   vr.reserve(2);
 
   std::cout << "pushing ra and rb\n";
   vr.push_back(ra);
   vr.push_back(rb);
 
   std::cout << "vector is now full, next push will reallocate.\n";
 
   std::cout << "pushing rc\n";
 
   vr.push_back(rc);
 
   std::cout << "start destruction\n";
}
 
 

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