feat: add structured binding test

chapters/chapter_02/CMakeLists.txt

@@ -1,5 +1,5 @@
 add_library(chapter_02 src/initlist.cpp src/null.cpp src/constexp.cpp
-                       src/ifswitch.cpp)
+                       src/ifswitch.cpp src/structured_binding.cpp)
 
 target_compile_features(chapter_02 PUBLIC cxx_std_20)
 

chapters/chapter_02/include/structured_binding.h

@@ -0,0 +1,8 @@
+#pragma once
+
+#include "chapter_interface.h"
+
+class StructuredBindingTest : public ChapterTest {
+public:
+  virtual void run() override;
+};

chapters/chapter_02/src/structured_binding.cpp

@@ -0,0 +1,12 @@
+#include "structured_binding.h"
+#include <cstdint>
+#include <iostream>
+#include <tuple>
+
+std::tuple<const char *, uint32_t> func() { return {"32", 32}; }
+
+void StructuredBindingTest::run() {
+  const auto &[str, val] = func();
+
+  std::cout << "Bound values: " << str << " and " << val << std::endl;
+}