fixes

hanickadot · hanickadot · commit 3fe9d1827f5f · 2025-09-10T00:33:28.000+02:00
diff --git a/include/cthash/encoding/encodings.hpp b/include/cthash/encoding/encodings.hpp
@@ -2,6 +2,7 @@
 #define CTHASH_ENCODING_ENCODINGS_HPP
 
 #include "concepts.hpp"
+#include <optional>
 #include <variant>
 
 namespace cthash {
