text: #include "show.hpp"
  
  using namespace std;
  
  int main() {
      list<ingred> ingredient_list;
      list<Recipe> recipe_list;
  
      int menu = 0;
  
      while (true) {
          menu = show_main();
  
          switch (menu) {
          case 1:
              show_1(ingredient_list);
              break;
          case 2:
              show_2(ingredient_list);
              break;
          case 3:
              show_3(recipe_list);
              break;
          case 4:
              show_4(recipe_list);
              break;
          case 5:
              show_5(ingredient_list);
              break;
          case 6:
              show_6(recipe_list);
              break;
          case 7:
              show_7(ingredient_list, recipe_list);
              break;
          case 8:
              clear();
              return 0;
          default:
              continue;
          }
      }
  }
  