with Ada.Containers.Hashed_Maps;

with Bookstore.Books;
use  Bookstore.Books;

5package Bookstore.Cart_Items.Hashed_Maps is
   new Ada.Containers.Hashed_Maps
  (Key_Type        => Id_Str,
   Element_Type    => Shopping_Cart_Item,
   Hash            => Shop_Cart_Item_Hash,
10   Equivalent_Keys => Equivalent_Keys);