From a7bef92b36a4d4066942a86e1530464f765429fa Mon Sep 17 00:00:00 2001
From: TPReal <tpreal@gmail.com>
Date: Thu, 1 Jun 2023 20:54:41 +0200
Subject: [PATCH] Mentioned the XKCD source of the joke in enums.md (#748)

XKCD is under CC BY-NC 2.5 licence, so it is fair to at least link to the source when reusing a joke.
---
 src/enums.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/enums.md b/src/enums.md
index 7a15d307..630233e1 100644
--- a/src/enums.md
+++ b/src/enums.md
@@ -5,6 +5,7 @@ different variants:
 
 ```rust,editable
 fn generate_random_number() -> i32 {
+    // Implementation based on https://xkcd.com/221/
     4  // Chosen by fair dice roll. Guaranteed to be random.
 }