@KT:Listing 9: <C>shared_ptr<C>, <C>weak_ptr<C> und <C>unique_ptr<C>
@Li:
std::vector< std::tr1::shared_ptr<std::string> > sharedVec;
std::tr1::shared_ptr<std::string> sharedPtr( new std::string("initial"));
sharedVec.push_back(std::tr1::shared_ptr<std::string>( sharedPtr));
std::cout << "Values:          sharedPtr     sharedVec" << std::endl;
std::cout << "Initial:     " << "    " << *sharedPtr << "       " << *sharedVec[0] <<  std::endl;
*sharedPtr="modified";
std::cout << "Modified:    " << "    " <<  *sharedPtr << "       "  << *sharedVec[0] <<  std::endl;
std::cout << "use_count: " << sharedPtr.use_count() << std::endl;
{
  std::shared_ptr<std::string> localSharedPtr( sharedPtr );
  std::cout << "use_count: " << sharedPtr.use_count() << std::endl;
}
std::cout << "use_count: " << sharedPtr.use_count() << std::endl;
std::weak_ptr<std::string> weakPtr( sharedPtr );
std::cout << "use_count: " << sharedPtr.use_count() << std::endl;
std::unique_ptr<std::string> uniquePtrFirst( new std::string("only one") );
// std::unique_ptr<std::string> uniquePtrSecond( uniquePtrFirst); will not compile
std::unique_ptr<std::string> uniquePtrSecond( std::move(uniquePtrFirst));
std::cout << "uniquePtrFirst.get(): " << uniquePtrFirst.get() << " *uniquePtrSecond.get(): " << *uniquePtrSecond.get() << std::endl;
@KE: