--- exercises/029_errdefer.zig	2023-10-03 22:15:22.122241138 +0200
+++ answers/029_errdefer.zig	2023-10-05 20:04:06.972765320 +0200
@@ -32,7 +32,7 @@
 
     // Please make the "failed" message print ONLY if the makeNumber()
     // function exits with an error:
-    std.debug.print("failed!\n", .{});
+    errdefer std.debug.print("failed!\n", .{});
 
     var num = try getNumber(); // <-- This could fail!
 
