#ifndef STRING_INCLUDED 
#define STRING_INCLUDED 1

#include <iostream> 
#include <cstring>

struct string
{
   size_t len;
   char *p; 

   string( )
      : len{0},
        p{ new char[0] }
   { }

   string( const char* s )
      : len{ strlen(s) },
        p{ new char[ len ] }
   {
      for( size_t i = 0; i < len; ++ i )
         p[i] = s[i]; 
   }

   string( const string& s )
      : len{ s. len },
        p{ new char[ len ] }
   {
      for( size_t i = 0; i < len; ++ i )
         p[i] = s.p[i]; 
   }

   void operator = ( const string& s )
   { 
      if( len != s.len )
      {
         delete[] p; 
         len = s. len;
         p = new char[ len ];
      }

      for( size_t i = 0; i < len; ++ i )
         p[i] = s.p[i];
   }

   void operator = ( const char* c )
   {
      delete[] p;
      len = strlen(c);
      p = new char[ len ];
      for( size_t i = 0; i < len; ++ i )
         p[i] = c[i];
   }

   ~string( )
   {
      std::cout << "desctr\n";
      delete[] p;
   }
 
};

inline std::ostream& operator << ( std::ostream& out, const string& s )
{
   for( size_t i = 0; i < s.len; ++ i )
      out << s.p[i];
   return out; 
}

#endif