From 8c57756556ce28dc688e54e939806fb14f7a0a1f Mon Sep 17 00:00:00 2001
From: Tamino Bauknecht <dev@tb6.eu>
Date: Fri, 20 Oct 2023 22:34:56 +0200
Subject: [PATCH] util: add scope_guard

This custom small implementation avoids adding an extra dependency like
Boost.ScopeExit
---
 include/util/scope_guard.hpp | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 include/util/scope_guard.hpp

diff --git a/include/util/scope_guard.hpp b/include/util/scope_guard.hpp
new file mode 100644
index 00000000..5c717704
--- /dev/null
+++ b/include/util/scope_guard.hpp
@@ -0,0 +1,21 @@
+#pragma once
+
+#include <utility>
+
+namespace waybar::util {
+
+template <typename Func>
+class scope_guard {
+ public:
+  explicit scope_guard(Func&& exit_function) : f{std::forward<Func>(exit_function)} {}
+  scope_guard(const scope_guard&) = delete;
+  scope_guard(scope_guard&&) = default;
+  scope_guard& operator=(const scope_guard&) = delete;
+  scope_guard& operator=(scope_guard&&) = default;
+  ~scope_guard() { f(); }
+
+ private:
+  Func f;
+};
+
+}  // namespace waybar::util