ziglings/patches/patches/049_quiz6.patch

--- exercises/049_quiz6.zig	2023-10-03 22:15:22.122241138 +0200
+++ answers/049_quiz6.zig	2023-10-05 20:04:07.062767005 +0200
@@ -26,9 +26,13 @@
 
     // Your Elephant trunk methods go here!
     // ---------------------------------------------------
+    pub fn getTrunk(self: *Elephant) *Elephant {
+        return self.trunk.?;
+    }
 
-    ???
-
+    pub fn hasTrunk(self: *Elephant) bool {
+        return (self.trunk != null);
+    }
     // ---------------------------------------------------
 
     pub fn visit(self: *Elephant) void {