From 4e128885d6ac321f4875a13e87dd08aa7548cde0 Mon Sep 17 00:00:00 2001
From: "Maarten L. Hekkelman" <maarten@hekkelman.com>
Date: Wed, 29 Oct 2025 18:21:47 +0100
Subject: [PATCH] Added missing include

---
 include/cif++/point.hpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/cif++/point.hpp b/include/cif++/point.hpp
index 8708c61..fc2f41a 100644
--- a/include/cif++/point.hpp
+++ b/include/cif++/point.hpp
@@ -32,6 +32,7 @@
 #include <cstdint>
 #include <format>
 #include <functional>
+#include <optional>
 #include <valarray>
 
 #if __has_include(<clipper/core/coords.h>)