Benchmarks added & reorganized.

Benchmarks/RemoveAt_LastItems.cs

@@ -0,0 +1,51 @@
+using Collections.Pooled;
+
+namespace Recyclable.Collections.Benchmarks
+{
+	public partial class RecyclableCollectionsBenchmarks
+	{
+		public void List_RemoveAt_LastItems()
+		{
+			var data = TestObjects;
+			var list = new List<int>(data);
+			var dataCount = TestObjectCount / 10 > 0 ? TestObjectCount / 10 : TestObjectCount;
+			for (var i = data.Length - 1; i > data.Length - dataCount - 1; i--)
+			{
+				list.RemoveAt(i);
+			}
+		}
+
+		public void PooledList_RemoveAt_LastItems()
+		{
+			var data = TestObjects;
+			using var list = new PooledList<int>(data, ClearMode.Auto);
+			var dataCount = TestObjectCount / 10 > 0 ? TestObjectCount / 10 : TestObjectCount;
+			for (var i = data.Length - 1; i > data.Length - dataCount - 1; i--)
+			{
+				list.RemoveAt(i);
+			}
+		}
+
+		public void RecyclableList_RemoveAt_LastItems()
+		{
+			var data = TestObjects;
+			using var list = new RecyclableList<int>(data);
+			var dataCount = TestObjectCount / 10 > 0 ? TestObjectCount / 10 : TestObjectCount;
+			for (var i = data.Length - 1; i > data.Length - dataCount - 1; i--)
+			{
+				list.RemoveAt(i);
+			}
+		}
+
+		public void RecyclableLongList_RemoveAt_LastItems()
+		{
+			var data = TestObjects;
+			using var list = new RecyclableLongList<int>(data, minBlockSize: BlockSize, initialCapacity: base.TestObjectCount);
+			var dataCount = TestObjectCount / 10 > 0 ? TestObjectCount / 10 : TestObjectCount;
+			for (var i = data.Length - 1; i > data.Length - dataCount - 1; i--)
+			{
+				list.RemoveAt(i);
+			}
+		}
+	}
+}