static void Main()
{
var swan = new Swan();
var swanAsDuck = swan as IDuck;
//Condition below is never satisfied with default features of CLR. This is so because although
//swan matches signature of IDuck interface, CLR requires swan to inherit it from IDuck interface
//ecplicitly.
Console.WriteLine("Attempting to use swan as a duck...");
if (swan is IDuck || swanAsDuck != null)
{
swanAsDuck.Walk();
swanAsDuck.Swim();
swanAsDuck.Quak();
}
else
{
Console.WriteLine("Attempt failed......");
}
Console.ReadKey();
Console.WriteLine("Attempting using dynamic language runtime....");
//This however can be changed by using a few features like-
//DLR
DoDuckLikeThings(swan);
Console.ReadKey();
}
static void Main(string[] args)
{
var swan = new Swan();
DoDuckLikeThings(swan);
Console.ReadKey();
}
static void Main(string[] args)
{
var swan = new Swan();
var swanAsDuck = swan as IDuck;
if(swan is IDuck || swanAsDuck != null)
{
swanAsDuck.Walk();
swanAsDuck.Swim();
swanAsDuck.Quack();
}
}
static void Main(string[] args)
{
Swan swan = new Swan();
var swanAsDuck = swan as IDuck;
if (swan is IDuck || swanAsDuck != null)
{
swan.Walk();
swan.Swim();
swan.Quack();
}
Console.ReadLine();
}
static void Main(string[] args)
{
var swan = new Swan();
var swanAsDuck = Impromptu.ActLike<IDuck>(swan);
if(swanAsDuck != null)
{
swanAsDuck.Walk();
swanAsDuck.Swim();
swanAsDuck.Quack();
}
Console.ReadKey();
}