#include <string>
#include <cstring>
#include <tuple>
#include <istream>
#include <cstdio>

#define CONFIG(X) X(int, test)

struct Conf {
#define X(type, name) type name;
  CONFIG(X)
#undef X
};

template <class T>
T Convert(std::string s);

template <>
int Convert<int>(std::string s) {
  return std::stoi(s);
};

Conf ParseConfig(std::istream& stream) {
  Conf c;
  std::string line;
  while (std::getline(stream, line)) {
#define X(type, name)                                       \
  if (line.length() > strlen(#name) + 1 &&                  \
      strncmp(line.c_str(), #name, strlen(#name)))          \
    c.name = Convert<type>(line.substr(strlen(#name) + 1)); \
  else
    CONFIG(X){};
#undef X
  }
  return c;
}
Conf ParseConfig(int argc, char** argv) {
  Conf c;
  std::string line;
  for (int i = 1; i < argc - 1; i += 2) {
    line = std::string(argv[i]) + " " + std::string(argv[i + 1]);
#define X(type, name)                                       \
  if (line.length() > strlen(#name) + 1 &&                  \
      strncmp(line.c_str(), #name, strlen(#name)))          \
    c.name = Convert<type>(line.substr(strlen(#name) + 1)); \
  else
    CONFIG(X){};
#undef X
  }
  return c;
}

#undef CONFIG

int main(int argc, char** argv) {
  Conf test = ParseConfig(argc, argv);
  printf("test=\"%d\"\n", test.test);
  return 0;
}