1 files changed, 9 insertions, 1 deletions
diff --git a/build.zig b/build.zig
index 3d86ece..916f1a7 100644
--- a/build.zig
+++ b/build.zig
@@ -236,6 +236,14 @@ const exercises = [_]Exercise{
         .output = "Elephant A. Elephant B. Elephant C.",
         .hint = "Oh no! We forgot Elephant B!",
     },
+    .{
+        .main_file = "45_optionals.zig",
+        .output = "The Ultimate Answer: 42.",
+    },
+    // optional fields (elephant tail - no longer need circular)
+    // super-simple struct method
+    // use struct method for elephant tails
+    // quiz: add elephant trunk (like tail)!
 };
 
 /// Check the zig version to make sure it can compile the examples properly.
@@ -463,7 +471,7 @@ const ZiglingStep = struct {
             return error.InvalidOutput;
         }
 
-        print("{s}** PASSED **{s}\n", .{ green_text, reset_text });
+        print("{s}{s}{s}\n", .{ green_text, output, reset_text });
     }
 
     // The normal compile step calls os.exit, so we can't use it as a library :(