Enum validation

gistfile1.cs

void Main()
{
	EnumValidator.IsDefined<MyEnum>("4");
}

public static class EnumValidator
{
	public static bool IsDefined<T>(string value)
	{
		if(!typeof(T).IsEnum) throw new ArgumentException("Type argument must be an enum type.", "T");
		
		T v = (T)Enum.Parse(typeof(T), value);
		return Enum.IsDefined(typeof(T), v);
	}
}

public enum MyEnum
{
	Foo,
	Bar = 4
}