From 93780bb8691ebaf81fa5320b93ffedbfdaf406d8 Mon Sep 17 00:00:00 2001
From: mikesinouye <mikesinouye@gmail.com>
Date: Tue, 6 May 2025 09:57:03 -0700
Subject: [PATCH] Add <optional> to haslib.h which uses std::optional

---
 kernel/hashlib.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/hashlib.h b/kernel/hashlib.h
index 6e3eb32a4..4144d701d 100644
--- a/kernel/hashlib.h
+++ b/kernel/hashlib.h
@@ -14,6 +14,7 @@
 
 #include <stdexcept>
 #include <algorithm>
+#include <optional>
 #include <string>
 #include <variant>
 #include <vector>