using System;

using System.Linq;

using System.Collections.Generic;

​

public class Program

{

    public static List<T> SArrayEnumToList<T>(int[] arr)where T : struct, IConvertible

    {

        if (!typeof (T).IsEnum)

            throw new ArgumentException("T must be of type System.Enum");

        return arr.Cast<object>().Cast<T>().ToList();

    }

​

    public enum Test

    {

        blah,

        balh2,

        blah3

    }

​

    public static void Main()

    {

        var values = new int[]{0, 1, 2};

        var results = SArrayEnumToList<Test>(values);

        foreach (var result in results)

            Console.WriteLine(result);

        // or

        Test[] foos = (Test[])(object)values;

        foreach (var foo in foos)

            Console.WriteLine(foo);

    }

}