change to c++23 and added print in featuredemo

configuration/.vscode/c_cpp_properties.json

@@ -15,7 +15,7 @@
                 "_UNICODE"
             ],
             "cStandard": "c17",
-            "cppStandard": "c++20",
+            "cppStandard": "c++23",
             "compilerPath": "C:\\TDT4102-mingw64\\bin\\gcc",
             "compileCommands": "${workspaceFolder}/build/compile_commands.json",
             "intelliSenseMode": "windows-gcc-x64"
@@ -32,7 +32,7 @@
                 "_UNICODE"
             ],
             "cStandard": "c17",
-            "cppStandard": "c++20",
+            "cppStandard": "c++23",
             "compileCommands": "build/compile_commands.json",
             "intelliSenseMode": "macos-clang-x64"
         },
@@ -47,7 +47,7 @@
                 "_UNICODE"
             ],
             "cStandard": "c17",
-            "cppStandard": "c++20",
+            "cppStandard": "c++23",
             "compileCommands": "build/compile_commands.json",
             "intelliSenseMode": "linux-gcc-x64"
         }

dependencies/meson.build

@@ -1,7 +1,7 @@
 project('testproject', 'cpp',
   version : '0.1',
   default_options : ['warning_level=0',
-                     'cpp_std=c++20',
+                     'cpp_std=c++23',
                      'c_std=c17',
                      'default_library=static'])
 

dependencies/subprojects/animationwindow/meson.build

@@ -1,4 +1,4 @@
-project('animationwindow', ['c', 'cpp'], version: '0.01', default_options: ['cpp_std=c++20', 'c_std=c17', 'default_library=static', 'buildtype=debugoptimized'])
+project('animationwindow', ['c', 'cpp'], version: '0.01', default_options: ['cpp_std=c++23', 'c_std=c17', 'default_library=static', 'buildtype=debugoptimized'])
 
 if host_machine.system() == 'windows'
     sdl2_dep = subproject('sdl2_windows').get_variable('sdl2_windows_dep')

dependencies/subprojects/std_lib_facilities/meson.build

@@ -1,4 +1,4 @@
-project('std_lib_facilities', ['c', 'cpp'], version: '0.01', default_options: ['cpp_std=c++20', 'c_std=c17', 'default_library=static', 'buildtype=debugoptimized'])
+project('std_lib_facilities', ['c', 'cpp'], version: '0.01', default_options: ['cpp_std=c++23', 'c_std=c17', 'default_library=static', 'buildtype=debugoptimized'])
 
 incdir = include_directories('.')
 install_subdir('include', install_dir: '.')

dependencies/testproject_featuredemo.cpp

@@ -7,6 +7,7 @@
 #include <iostream>
 #include <random>
 #include <map>
+#include <print>
 
 #include "widgets/Button.h"
 #include "widgets/TextInput.h"
@@ -215,6 +216,7 @@ int main(int argc, char* argv[]) {
         }
         window.next_frame();
     }
-
+    // new in c++23
+    std::println("hello from println");
     return 0;
 }