diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/lib/scope_guard.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/lib/scope_guard.h b/src/lib/scope_guard.h new file mode 100644 index 000000000..c26104011 --- /dev/null +++ b/src/lib/scope_guard.h @@ -0,0 +1,51 @@ +/* + Copyright (C) 2022 Carl Hetherington <cth@carlh.net> + + This file is part of DCP-o-matic. + + DCP-o-matic is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + DCP-o-matic is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>. + +*/ + + +#include <functional> + + +class ScopeGuard +{ +public: + template <typename F> + ScopeGuard (F const& function) + : _function(function) + {} + + ScopeGuard (ScopeGuard&& other) + : _function(std::move(other._function)) + { + other._function = []{}; + } + + ScopeGuard (ScopeGuard const&) = delete; + ScopeGuard& operator=(ScopeGuard const&) = delete; + + ~ScopeGuard () + { + _function(); + } + +private: + std::function<void()> _function; +}; + + |