feat: add initializer list

CMakeLists.txt

@@ -20,7 +20,7 @@ configure_file("${PROJECT_SOURCE_DIR}/include/version.h.in"
                "${PROJECT_BINARY_DIR}/include/version.h")
 
 add_executable(hello src/main.cpp src/null.cpp src/constexp.cpp
-                     src/ifswitch.cpp)
+                     src/ifswitch.cpp src/initlist.cpp)
 
 target_compile_features(hello PUBLIC cxx_std_20)
 

include/initlist.h

@@ -0,0 +1,5 @@
+#pragma once
+
+namespace initlist {
+void test();
+};

src/initlist.cpp

@@ -0,0 +1,22 @@
+#include "initlist.h"
+#include <initializer_list>
+#include <iostream>
+#include <vector>
+
+class InitList {
+public:
+  std::vector<unsigned int> _list;
+
+  InitList(std::initializer_list<unsigned int> list) : _list(list) {}
+};
+
+void initlist::test() {
+
+  InitList initList{1, 2, 3, 4, 5};
+
+  std::cout << "InitList: ";
+  for (const auto &item : initList._list) {
+    std::cout << item << " ";
+  }
+  std::cout << std::endl;
+}

src/main.cpp

@@ -1,11 +1,11 @@
 #include <cstdlib>
 #include <iostream>
 
-#include "version.h"
-
 #include "constexp.h"
 #include "ifswitch.h"
+#include "initlist.h"
 #include "null.h"
+#include "version.h"
 
 int main(int argc, char **argv) {
 
@@ -23,6 +23,10 @@ int main(int argc, char **argv) {
             << "Ifswitch test:" << std::endl;
   ifswitch::test();
 
+  std::cout << "\n"
+            << "Initializer list test:" << std::endl;
+  initlist::test();
+
   std::cout << "\nExiting" << std::endl;
 
   return EXIT_SUCCESS;