Function main

example/container.cpp:33–43

};

int main() {
  std::vector<te::poly<Drawable>> drawables{};

  drawables.push_back(Square{});
  drawables.push_back(Circle{});
  drawables.push_back(Triangle{});

  for (const auto &drawable : drawables) {
    drawable.draw(std::cout);
  }
}