From dda740281e3a6c2f622b9713418cdf960eb77d16 Mon Sep 17 00:00:00 2001
From: ToruNiina <niina.toru.68u@gmail.com>
Date: Fri, 7 Feb 2025 01:26:58 +0900
Subject: [PATCH] fix: add missing include file

---
 include/toml11/spec.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/toml11/spec.hpp b/include/toml11/spec.hpp
index 4878ad3..df9f3d7 100644
--- a/include/toml11/spec.hpp
+++ b/include/toml11/spec.hpp
@@ -2,6 +2,7 @@
 #define TOML11_SPEC_HPP
 
 #include <array>
+#include <functional>
 #include <ostream>
 #include <sstream>
 #include <utility>