#include <iostream>
#include <string>
#include <boost/utility/string_view.hpp>

class SomeClass {
 public:
  boost::string_view strView;
  std::string str;
};

void SomeFunction(SomeClass& someCopy) {
  SomeClass original;

  original.str = "Original string";
  original.strView = original.str;

  std::cout << "Original string = " << original.str << std::endl;
  std::cout << "Original string view = " << original.strView << std::endl;

  someCopy = original;
}
int main() {
  SomeClass someClass;

  SomeFunction(someClass);

  std::cout << "Copied string = " << someClass.str << std::endl;


  // The next string won't work correctly.
  std::cout << "Copied string view = " << someClass.strView << std::endl;

  return 0;
}