add <functional> include to fix compile issues

dankmeme01 · web-flow · commit 68909b84afbc · 2025-12-20T02:07:05.000+01:00
diff --git a/include/Geode/Result.hpp b/include/Geode/Result.hpp
@@ -11,6 +11,7 @@
 #include <type_traits>
 #include <utility>
 #include <variant>
+#include <functional>
 
 #if !defined(GEODE_CONCAT)
     #define GEODE_CONCAT2(x, y) x##y
