Style: Integrate new #pragma once syntax

tutorials/scripting/gdextension/gdextension_c_example.rst

@@ -133,8 +133,7 @@ Create the file ``init.h`` in the ``src`` folder, with the following contents:
 
 .. code-block:: c
 
-    #ifndef INIT_H
-    #define INIT_H
+    #pragma once
 
     #include "defs.h"
 
@@ -144,8 +143,6 @@ Create the file ``init.h`` in the ``src`` folder, with the following contents:
     void deinitialize_gdexample_module(void *p_userdata, GDExtensionInitializationLevel p_level);
     GDExtensionBool GDE_EXPORT gdexample_library_init(GDExtensionInterfaceGetProcAddress p_get_proc_address, GDExtensionClassLibraryPtr p_library, GDExtensionInitialization *r_initialization);
 
-    #endif // INIT_H
-
 The functions declared here have the signatures expected by the GDExtension API.
 
 Note the inclusion of the ``defs.h`` file. This is one of our helpers to
@@ -158,8 +155,7 @@ Create the ``defs.h`` file in the ``src`` folder with the following contents:
 
 .. code-block:: c
 
-    #ifndef DEFS_H
-    #define DEFS_H
+    #pragma once
 
     #include <stdbool.h>
     #include <stddef.h>
@@ -175,8 +171,6 @@ Create the ``defs.h`` file in the ``src`` folder with the following contents:
     #endif
     #endif // ! GDE_EXPORT
 
-    #endif // DEFS_H
-
 We also include some standard headers to make things easier. Now we only have to
 include ``defs.h`` and those will come as a bonus.
 
@@ -224,8 +218,7 @@ contents:
 
 .. code-block:: c
 
-    #ifndef GDEXAMPLE_H
-    #define GDEXAMPLE_H
+    #pragma once
 
     #include "gdextension_interface.h"
 
@@ -247,8 +240,6 @@ contents:
     // Bindings.
     void gdexample_class_bind_methods();
 
-    #endif // GDEXAMPLE_H
-
 Noteworthy here is the ``object`` field, which holds a pointer to
 the Godot object, and the ``gdexample_class_bind_methods()`` function, which will
 register the metadata of our custom class (properties, methods, and signals).
@@ -299,8 +290,7 @@ We'll start by creating an ``api.h`` file in the ``src`` folder:
 
 .. code-block:: c
 
-    #ifndef API_H
-    #define API_H
+    #pragma once
 
     /*
     This file works as a collection of helpers to call the GDExtension API
@@ -333,10 +323,6 @@ We'll start by creating an ``api.h`` file in the ``src`` folder:
 
     void load_api(GDExtensionInterfaceGetProcAddress p_get_proc_address);
 
-
-
-    #endif // API_H
-
 This file will include many other helpers as we fill our extension with
 something useful. For now it only has a pointer to a function that creates a
 StringName from a C string (in Latin-1 encoding) and another to destruct a

tutorials/scripting/gdextension/gdextension_cpp_example.rst

@@ -164,8 +164,7 @@ GDExtension node we'll be creating. We will name it ``gdexample.h``:
 .. code-block:: cpp
     :caption: gdextension_cpp_example/src/gdexample.h
 
-    #ifndef GDEXAMPLE_H
-    #define GDEXAMPLE_H
+    #pragma once
 
     #include <godot_cpp/classes/sprite2d.hpp>
 
@@ -187,9 +186,7 @@ GDExtension node we'll be creating. We will name it ``gdexample.h``:
         void _process(double delta) override;
     };
 
-    }
-
-    #endif
+    } // namespace godot
 
 There are a few things of note to the above. We include ``sprite2d.hpp`` which
 contains bindings to the Sprite2D class. We'll be extending this class in our
@@ -313,8 +310,7 @@ At last, we need the header file for the ``register_types.cpp`` named
 .. code-block:: cpp
     :caption: gdextension_cpp_example/src/register_types.h
 
-    #ifndef GDEXAMPLE_REGISTER_TYPES_H
-    #define GDEXAMPLE_REGISTER_TYPES_H
+    #pragma once
 
     #include <godot_cpp/core/class_db.hpp>
 
@@ -323,9 +319,6 @@ At last, we need the header file for the ``register_types.cpp`` named
     void initialize_example_module(ModuleInitializationLevel p_level);
     void uninitialize_example_module(ModuleInitializationLevel p_level);
 
-    #endif // GDEXAMPLE_REGISTER_TYPES_H
-
-
 Compiling the plugin
 --------------------