Merge pull request #112 from IntelliTect/03-Ranges

Added Range listings.
IntelliTect · Oct 12, 2019 · 1c0406c · 1c0406c
2 parents 5949671 + a9a3fd1
commit 1c0406c
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Showing 2 changed files with 36 additions and 10 deletions.
diff --git a/src/Chapter03.Tests/Listing03.26B.Tests.cs b/src/Chapter03.Tests/Listing03.26B.Tests.cs
@@ -9,8 +9,13 @@ public class ProgramTests
         public void Main_GetLengthOfDimensionOf3DArray_ReturnsLength()
         {
             const string expected =
-@"TypeScript
-Python";
+@"  0..3: C#, COBOL, Java
+^3..^0: Python, Lisp, JavaScript
+ 3..^3: C++, TypeScript, Pascal
+  ..^6: C#, COBOL, Java
+   6..: Python, Lisp, JavaScript
+    ..: C#, COBOL, Java, C++, TypeScript, Pascal, Python, Lisp, JavaScript
+    ..: C#, COBOL, Java, C++, TypeScript, Pascal, Python, Lisp, JavaScript";
 
             IntelliTect.TestTools.Console.ConsoleAssert.Expect(
                 expected, Program.Main);

diff --git a/src/Chapter03/Listing03.26B.Slicing.cs b/src/Chapter03/Listing03.26B.Slicing.cs
@@ -8,14 +8,35 @@ public static void Main()
                 "C#", "COBOL", "Java",
                 "C++", "TypeScript", "Pascal",
                 "Python", "Lisp", "JavaScript"};
-            // Retrieve fifth item in languages array (TypeScript)
-            string language = languages[4];
-            // Write “TypeScript”
-            System.Console.WriteLine(language);
-            // Retrieve second item from the end (Python)
-            language = languages[^3];
-            // Write “Python”
-            System.Console.WriteLine(language);
+
+            System.Console.WriteLine($@"  0..3: {
+                string.Join(", ", languages[0..3])  // C#, COBOL, Java
+            }"); 
+            System.Console.WriteLine($@"^3..^0: {
+                string.Join(", ", languages[^3..^0]) // Python, Lisp, JavaScript
+            }"); 
+            System.Console.WriteLine($@" 3..^3: {
+                string.Join(", ", languages[3..^3]) // C++, TypeScript, Pascal
+            }");
+            System.Console.WriteLine($@"  ..^6: {
+                string.Join(", ", languages[..^6])  // C#, COBOL, Java
+            }");
+            System.Console.WriteLine($@"   6..: {
+                string.Join(", ", languages[6..])  // Python, Lisp, JavaScript
+            }");
+            System.Console.WriteLine($@"    ..: {
+                // C#, COBOL, Java, C++, TypeScript, Pascal, Python, Lisp, JavaScript
+                string.Join(", ", languages[..])  // Python, Lisp, JavaScript
+            }");
+
+
+
+
+
+            System.Console.WriteLine($@"    ..: {
+                // C#, COBOL, Java, C++, TypeScript, Pascal, Python, Lisp, JavaScript
+                string.Join(", ", languages[0..^0])  // Python, Lisp, JavaScript
+            }");
         }
     }
 }