Add direct access benchmarking

Author: Vectorial1024

Benchmarking/BenchmarkTests.cs

@@ -109,6 +109,36 @@ public void IterateDictList()
         }
     }
 
+    [Benchmark]
+    public void AccessList()
+    {
+        // access all indexes of multiples of 5
+        for (var i = 0; i < N; i += 5)
+        {
+            _ = _iterList[i];
+        }
+    }
+
+    [Benchmark]
+    public void AccessDict()
+    {
+        // access all indexes of multiples of 5
+        for (var i = 0; i < N; i += 5)
+        {
+            _ = _iterDict[i];
+        }
+    }
+
+    [Benchmark]
+    public void AccessDictList()
+    {
+        // access all indexes of multiples of 5
+        for (var i = 0; i < N; i += 5)
+        {
+            _ = _iterDictList[i];
+        }
+    }
+
     [Benchmark]
     public void RemoveManyFromListThenTrim()
     {