From 5257941f40554da3f8df074443a4c087dcff7004 Mon Sep 17 00:00:00 2001 From: Martin Ashby Date: Sat, 10 Dec 2022 23:02:40 +0000 Subject: 25-60 complete --- exercises/046_optionals2.zig | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'exercises/046_optionals2.zig') diff --git a/exercises/046_optionals2.zig b/exercises/046_optionals2.zig index d3f65bb..77b7f24 100644 --- a/exercises/046_optionals2.zig +++ b/exercises/046_optionals2.zig @@ -21,7 +21,7 @@ const std = @import("std"); const Elephant = struct { letter: u8, - tail: *Elephant = null, // Hmm... tail needs something... + tail: ?*Elephant = null, // Hmm... tail needs something... visited: bool = false, }; @@ -51,7 +51,7 @@ fn visitElephants(first_elephant: *Elephant) void { // We should stop once we encounter a tail that // does NOT point to another element. What can // we put here to make that happen? - if (e.tail == null) ???; + if (e.tail == null) break; e = e.tail.?; } -- cgit v1.2.3-ZIG