--- exercises/081_anonymous_structs2.zig	2023-10-03 22:15:22.125574535 +0200
+++ answers/081_anonymous_structs2.zig	2023-10-05 20:04:07.209436419 +0200
@@ -38,7 +38,7 @@
 
 // Please complete this function which prints an anonymous struct
 // representing a circle.
-fn printCircle(???) void {
+fn printCircle(circle: anytype) void {
     print("x:{} y:{} radius:{}\n", .{
         circle.center_x,
         circle.center_y,