public unsafe void TestSlice() { var arr = new[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }; fixed(int *ptr = arr) { var s = new Sliced <int>(ptr, (nuint)arr.LongLength); var a = s.Slice(2); Assert.AreEqual(a.First, 3); var b = s.SliceTo(3); Assert.AreEqual(b.Last, 3); var c = s.Slice(1, 3); Assert.AreEqual(c.First, 2); Assert.AreEqual(c.Last, 3); } }