path.cpp

#include <initializer_list>
#include <string>

std::string JoinPath(const std::initializer_list<std::string>& parts)
{
#if defined(_WIN32)
  static const char separator = '\\';
#else
  static const char separator = '/';
#endif
  std::string result;
  
  for (const auto& part : parts)
  {
    if (!result.empty() && result[result.length() - 1] != separator)
    {
      result.append(1, separator);
    }
    result.append(part);
  }
  
  return result;
}