public static void RunDemo()
{
Console.WriteLine("Equality for value types demo: Demonstrates a value type for" +
" which equality has been implemented");
FoodItemValueType banana = new FoodItemValueType("banana", FoodGroup.Fruit);
FoodItemValueType banana2 = new FoodItemValueType("banana", FoodGroup.Fruit);
FoodItemValueType chocolate = new FoodItemValueType("chocolate", FoodGroup.Sweets);
Console.WriteLine("banana == banana2: " + (banana == banana2)); // returns TRUE : value equality
Console.WriteLine("banana2 == chocolate: " + (banana2 == chocolate)); // returns FALSE : value equality
Console.WriteLine("chocolate == banana: " + (chocolate == banana)); // returns FALSE : value equality
Console.WriteLine();
}
public static void RunDemo()
{
Console.WriteLine("FoodItemNameOnlyEqualityComparerDemo:");
FoodItemValueType beetroot = new FoodItemValueType("beetroot", FoodGroup.Vegetables);
FoodItemValueType pickledBeetroot = new FoodItemValueType("beetroot", FoodGroup.Sweets);
var eqComparer = FoodItemNameOnlyEqualityComparer.Instance;
bool result = eqComparer.Equals(beetroot, pickledBeetroot);
Console.WriteLine("Equals? " + result.ToString());
Console.WriteLine(eqComparer.GetHashCode(beetroot));
Console.WriteLine(eqComparer.GetHashCode(pickledBeetroot));
Console.WriteLine();
}
