Changed some formatting

PersistentMap/BTreeFunctions.cs

@@ -10,9 +10,12 @@ namespace PersistentMap
         // Public API
         // ---------------------------------------------------------
 
+        /// <summary>TryGetValue tries to get the value at mapping key. If it finds the key it sets th
+        /// out var to value and returns true. </summary>
         public static bool TryGetValue<K, V, TStrategy>(Node<K> root, K key, TStrategy strategy, out V value)
             where TStrategy : IKeyStrategy<K>
         {
+            // We always get a strategy to avoid branching already here
             long keyPrefix = strategy.UsesPrefixes ? strategy.GetPrefix(key) : 0;
 
             Node<K> current = root;
@@ -43,6 +46,7 @@ namespace PersistentMap
         {
             root = root.EnsureEditable(owner);
 
+            // Todo, this should really be made a tuple return value to not stress the GC
             var splitResult = InsertRecursive(root, key, value, strategy, owner, out countChanged);
 
             if (splitResult != null)