feat: add scope_guard

include/cpputils/scope_guard.h

@@ -0,0 +1,40 @@
+#pragma once
+#include <utility>
+
+namespace cpputils {
+namespace scope_guard {
+
+template <class F>
+class scope_guard {
+ public:
+  explicit scope_guard(F&& f) noexcept
+      : func(std::forward<F>(f)), active(true) {}
+
+  scope_guard(scope_guard&& other) noexcept
+      : func(std::move(other.func)), active(other.active) {
+    other.dismiss();
+  }
+
+  scope_guard(const scope_guard&) = delete;
+  scope_guard& operator=(const scope_guard&) = delete;
+
+  ~scope_guard() noexcept {
+    if (active) {
+      func();
+    }
+  }
+
+  void dismiss() noexcept { active = false; }
+
+ private:
+  F func;
+  bool active;
+};
+
+template <class F>
+scope_guard<F> make_scope_guard(F&& f) noexcept {
+  return scope_guard<F>(std::forward<F>(f));
+}
+
+}  // namespace scope_guard
+}  // namespace cpputils