Chapter16.01 listing update

src/Chapter16/Listing16.01.SimpleQueryExpression.cs

@@ -1,6 +1,43 @@
-namespace AddisonWesley.Michaelis.EssentialCSharp.Chapter16.Listing16_01
+using System.Collections.ObjectModel;
+
+#region INCLUDE
+    #region EXCLUDE
+namespace AddisonWesley.Michaelis.EssentialCSharp.Chapter16.Listing16
+{
+    #endregion
+    static public class CSharp
+    {
+        public static readonly ReadOnlyCollection<string> Keywords = new(
+            new string[]
+            {
+                "abstract","add*","alias*","as","ascending*",
+                "async*","await*","base","bool","break",
+                "by*","byte","case","catch","char","checked",
+                "class","const","continue","decimal","default",
+                "delegate","descending*","do","double","dynamic*",
+                "else","enum","equals*","event","explicit","extern",
+                "false","finally","fixed","float","for","foreach",
+                "from*","get*","global*","goto","group*","if","implicit",
+                "in","int","interface","internal","into*","is","join*",
+                "let*","lock","long", "nameof*", "namespace","new","nonnull*",
+                "null","object","on*","operator","orderby*","out","override",
+                "params","partial*","private","protected","public",
+                "readonly","ref","remove*","return","sbyte","sealed",
+                "select*","set*","short","sizeof","stackalloc","static",
+                "string","struct","switch","this","throw","true","try",
+                "typeof","uint","ulong","unchecked","unsafe","ushort",
+                "using","value*","var*","virtual","void","volatile"
+                ,"when*","where*","while","yield*"
+            });
+    }
+    #region EXCLUDE
+}
+
+namespace AddisonWesley.Michaelis.EssentialCSharp.Chapter16.Listing16_01
 {
     using AddisonWesley.Michaelis.EssentialCSharp.Chapter16.Listing16;
+
+    #endregion
     using System;
     using System.Collections.Generic;
     using System.Linq;
@@ -14,15 +51,20 @@ public static void Main()
 
         private static void ShowContextualKeywords()
         {
+            #region HIGHLIGHT
             IEnumerable<string> selection =
                 from word in CSharp.Keywords
                 where !word.Contains('*')
                 select word;
+            #endregion
 
-            foreach(string keyword in selection)
+            foreach (string keyword in selection)
             {
                 Console.Write(keyword + " ");
             }
         }
     }
-}
+    #region EXCLUDE
+}
+    #endregion
+#endregion