Cadenza.Collections.Tests.MutableLookupTest.Enumerator C# (CSharp) Метод

        public void Enumerator()
        {
            List<int> ints = new List<int> { 10, 20, 21, 30 };
            var lookup = new MutableLookup<int, int>(ints.ToLookup(i => Int32.Parse(i.ToString()[0].ToString())));

            Assert.AreEqual (3, lookup.Count());
            Assert.IsTrue (lookup.Any (g => g.Key == 1));
            Assert.IsTrue (lookup.Any (g => g.Key == 2));
            Assert.IsTrue (lookup.Any (g => g.Key == 3));
        }