選択できるのは25トピックまでです。 トピックは、先頭が英数字で、英数字とダッシュ('-')を使用した35文字以内のものにしてください。

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1.4KB

  1. /*
  2. * Scope Guard
  3. * Copyright (C) 2017 offa
  4. *
  5. * This file is part of Scope Guard.
  6. *
  7. * Scope Guard is free software: you can redistribute it and/or modify
  8. * it under the terms of the GNU General Public License as published by
  9. * the Free Software Foundation, either version 3 of the License, or
  10. * (at your option) any later version.
  11. *
  12. * Scope Guard is distributed in the hope that it will be useful,
  13. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  15. * GNU General Public License for more details.
  16. *
  17. * You should have received a copy of the GNU General Public License
  18. * along with Scope Guard. If not, see <http://www.gnu.org/licenses/>.
  19. */
  20. #pragma once
  21. #include "detail/scope_guard_base.h"
  22. namespace sr
  23. {
  24. namespace detail
  25. {
  26. struct scope_exit_strategy
  27. {
  28. bool should_execute() const noexcept
  29. {
  30. return true;
  31. }
  32. };
  33. }
  34. template<class EF>
  35. class scope_exit : public detail::scope_guard_base<EF, detail::scope_exit_strategy>
  36. {
  37. public:
  38. using detail::scope_guard_base<EF, detail::scope_exit_strategy>::scope_guard_base;
  39. private:
  40. };
  41. template<class EF>
  42. scope_exit<std::decay_t<EF>> make_scope_exit(EF&& exitFunction)
  43. {
  44. return scope_exit<std::decay_t<EF>>{std::forward<EF>(exitFunction)};
  45. }
  46. }