using System;

using System.Collections.Generic;

​

public class Program

{

​

    public static void Main()

    {

        var foods = new[] { "Pizza", "Chicken", "Cheese" };

        DoSomething(foods);

        DoSomething<String[]>(foods);

        DoSomething(foods as IEnumerable<string>);

        DoSomething<string>(foods);

​

    }

    public static void DoSomething<T>(T value) {  Console.WriteLine("A"); Console.WriteLine(typeof(T));}

​

    public static void DoSomething<T>(IEnumerable<T> value) { Console.WriteLine("B"); Console.WriteLine(typeof(T));}

}

​

​