result.hpp

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/*
 * These codes are licensed under CC0.
 * http://creativecommons.org/publicdomain/zero/1.0/
 */
#ifndef __RESULT_HPP__
#define __RESULT_HPP__

namespace nodamushi{
namespace visitor{

enum class result
{
  CONTINUE,
  BREAK,
  SKIP
};

} // end namespace visitor
}// end namespace nodamushi


#include <ostream>
namespace std{
std::ostream& operator<<(std::ostream& out,const nodamushi::visitor::result& r)
{
  using namespace nodamushi::visitor;
  switch(r){
    case result::CONTINUE: out << "continue";break;
    case result::BREAK:    out << "break";break;
    case result::SKIP:     out << "skip";break;
  }
  return out;
}
} // end namespace std
#endif // __RESULT_HPP__