Update code warnings of Stylecop

Author: Kalkwst

DataStructures/AATree/AATree.cs

@@ -216,7 +216,7 @@ private AaTreeNode<TKey> Add(TKey key, AaTreeNode<TKey>? node)
             throw new ArgumentException($"Key \"{key}\" already in tree!", nameof(key));
         }
 
-        return Split(Skew(node)) !;
+        return Split(Skew(node))!;
     }
 
     /// <summary>

DataStructures/Graph/DirectedWeightedGraph.cs

@@ -94,7 +94,7 @@ public void RemoveVertex(Vertex<T> vertex)
         for (int i = indexToRemove; i < Count - 1; i++)
         {
             Vertices[i] = Vertices[i + 1];
-            Vertices[i] !.Index = i;
+            Vertices[i]!.Index = i;
         }
 
         Vertices[Count - 1] = null;

DataStructures/Hashing/HashTable.cs

@@ -150,7 +150,7 @@ public void Add(TKey? key, TValue? value)
         var index = GetIndex(key);
         if (
             entries[index] != null &&
-            EqualityComparer<TKey>.Default.Equals(entries[index] !.Key!, key))
+            EqualityComparer<TKey>.Default.Equals(entries[index]!.Key!, key))
         {
             throw new ArgumentException("Key already exists");
         }

DataStructures/RedBlackTree/RedBlackTreeNode.cs

@@ -6,12 +6,12 @@ namespace DataStructures.RedBlackTree;
 public enum NodeColor : byte
 {
     /// <summary>
-    ///     Represents red node
+    ///     Represents red node.
     /// </summary>
     Red,
 
     /// <summary>
-    ///     Represents black node
+    ///     Represents black node.
     /// </summary>
     Black,
 }

DataStructures/ScapegoatTree/ScapegoatTree.cs

@@ -247,7 +247,7 @@ public void Tune(double value)
     /// <returns>Scapegoat node with its parent node. Parent can be null if scapegoat node is root node.</returns>
     /// <exception cref="ArgumentException">Thrown if path stack is empty.</exception>
     /// <exception cref="InvalidOperationException">Thrown if scapegoat wasn't found.</exception>
-    public (Node<TKey>? parent, Node<TKey> scapegoat) FindScapegoatInPath(Stack<Node<TKey>> path)
+    public (Node<TKey>? Parent, Node<TKey> Scapegoat) FindScapegoatInPath(Stack<Node<TKey>> path)
     {
         if (path.Count == 0)
         {

Utilities/Extensions/DictionaryExtensions.cs

@@ -17,7 +17,7 @@ public static class DictionaryExtensions
     /// </exception>
     public static void AddMany<TKey, TValue>(
         this Dictionary<TKey, TValue> keys,
-        IEnumerable<(TKey, TValue)> enumerable) where TKey : notnull
+        IEnumerable<(TKey Key, TValue Value)> enumerable) where TKey : notnull
     {
         foreach (var (key, value) in enumerable)
         {