My LINQ for C#

MyLinq.cs

public static class MyLinq {

    public static IEnumerable<TResult> MySelect<T,TResult>(this IEnumerable<T> e, System.Func<T, TResult> selector) {
        foreach (T val in e) {
            TResult res = selector (val);
            yield return res;
        }
    }

    public static List<T> MyToList<T>(this IEnumerable<T> e) {
        List<T> list = new List<T> ();
        foreach (T item in e) {
            list.Add (item);
        }
        return list;
    }

}