From 3b707be882bd997693739901402b00a668d71ec8 Mon Sep 17 00:00:00 2001
From: ADAM David Alan Martin <adam@recursive.engineer>
Date: Wed, 29 Nov 2023 08:09:52 -0500
Subject: [PATCH] Missing `#pragma once`.

---
 Atomic/Mailbox.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Atomic/Mailbox.h b/Atomic/Mailbox.h
index 1251434..d4e8775 100644
--- a/Atomic/Mailbox.h
+++ b/Atomic/Mailbox.h
@@ -8,6 +8,8 @@ static_assert( __cplusplus > 2020'99 );
  * @author ADAM David Alan Martin
  */
 
+#pragma once
+
 #include <Alepha/Alepha.h>
 
 #include <vector>