start to refactor for C++23

.vscode/settings.json

@@ -16,7 +16,41 @@
         "stdexcept": "cpp",
         "streambuf": "cpp",
         "type_traits": "cpp",
-        "tuple": "cpp"
+        "tuple": "cpp",
+        "cmath": "cpp",
+        "span": "cpp",
+        "*.tcc": "cpp",
+        "*.inc": "cpp",
+        "*.ipp": "cpp",
+        "bit": "cpp",
+        "bitset": "cpp",
+        "chrono": "cpp",
+        "format": "cpp",
+        "future": "cpp",
+        "optional": "cpp",
+        "ranges": "cpp",
+        "shared_mutex": "cpp",
+        "stop_token": "cpp",
+        "regex": "cpp",
+        "valarray": "cpp",
+        "*.def": "cpp",
+        "boundingsphere": "cpp",
+        "callback": "cpp",
+        "geometry": "cpp",
+        "node": "cpp",
+        "nodevisitor": "cpp",
+        "object": "cpp",
+        "plane": "cpp",
+        "program": "cpp",
+        "shape": "cpp",
+        "stateattribute": "cpp",
+        "observer_ptr": "cpp",
+        "thread": "cpp",
+        "concepts": "cpp",
+        "typeinfo": "cpp",
+        "drawable": "cpp",
+        "userdatacontainer": "cpp",
+        "*.txx": "cpp"
     },
     "mesonbuild.configureOnOpen": false
 }