stream.cpp

#include <iostream>
#include <vector>
#include <string>
#include <sstream>

// ---------------------------------------------------------------------------
std::ostream& operator << ( std::ostream& os, const std::vector<char>& vec )
{
  for( std::vector<char>::const_iterator it = vec.begin(); it != vec.end(); ++it )
  {
     os << *it << " ";
  }
  return os;
}


template < typename T >
std::string StringFrom( const T& t )
{
  std::ostringstream oss;
  oss << t;
  return oss.str();
}

int main()
{
  std::cout << "Hello world" << std::endl;
  
  std::vector < char > test; 
  test.push_back( 'a' );
  test.push_back( 'b' );
  
  std::cout << test << std::endl;
  
  std::string result =  StringFrom( test );
  std::cout << "re " << result << std::endl;
  
  
}