90c90
<     const print = ???;
---
>     const print = std.debug.print;
155c155
<     levelUp(glorp, reward_xp);
---
>     levelUp(&glorp, reward_xp);
161c161
< fn levelUp(character_access: Character, xp: u32) void {
---
> fn levelUp(character_access: *Character, xp: u32) void {