Merge branch 'main' into devtools

src/data/dynamic.hpp

@@ -21,8 +21,12 @@ namespace dynamic {
     using Map_sptr = std::shared_ptr<Map>;
     using List_sptr = std::shared_ptr<List>;
 
+    struct none {};
+
+    inline constexpr none NONE = {};
+
     using Value = std::variant<
-        std::monostate,
+        none,
         Map_sptr,
         List_sptr,
         std::string,

src/logic/scripting/lua/LuaState.cpp

@@ -309,7 +309,7 @@ dynamic::Value lua::LuaState::tovalue(int idx) {
     switch (type) {
         case LUA_TNIL:
         case LUA_TNONE:
-            return std::monostate();
+            return dynamic::NONE;
         case LUA_TBOOLEAN:
             return lua_toboolean(L, idx) == 1;
         case LUA_TNUMBER: {