FIX: Add missing <cstddef> include

threecgreen · threecgreen · commit 149f45fc2424 · 2025-10-30T13:56:14.000Z
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # Changelog
 
+## 0.43.1 - TBD
+
+### Bug fixes
+- Added missing `<cstddef>` include to `constants.hpp` (credit: @ognian-)
+
 ## 0.43.0 - 2025-10-21
 
 ### Enhancements
diff --git a/include/databento/constants.hpp b/include/databento/constants.hpp
@@ -1,5 +1,6 @@
 #pragma once
 
+#include <cstddef>
 #include <cstdint>
 #include <limits>
 
