diff options
Diffstat (limited to 'src/util/scope_exit.h')
-rw-r--r-- | src/util/scope_exit.h | 26 |
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 |