Adding upstream version 1.3+ds.upstream/1.3+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/src/util/scope_exit.h b/src/util/scope_exit.h
new file mode 100644
index 0000000..16961e5
--- /dev/null
+++ b/src/util/scope_exit.h
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/** @file
+ *  Run code on scope exit.
+ */
+
+#ifndef INKSCAPE_UTIL_SCOPE_EXIT_H
+#define INKSCAPE_UTIL_SCOPE_EXIT_H
+
+#include <type_traits>
+#include <utility>
+
+// Todo: (C++23?) Replace with now-standardised version.
+template <typename F>
+class scope_exit
+{
+public:
+    scope_exit(F &&f) : f(std::forward<F>(f)) {}
+    scope_exit(scope_exit const &) = delete;
+    scope_exit &operator=(scope_exit const &) = delete;
+    ~scope_exit() { f(); }
+
+private:
+    std::decay_t<F> f;
+};
+
+#endif // INKSCAPE_UTIL_SCOPE_EXIT_H