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author | rtk0c <[email protected]> | 2022-06-30 21:38:53 -0700 |
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committer | rtk0c <[email protected]> | 2022-06-30 21:38:53 -0700 |
commit | 7fe47a9d5b1727a61dc724523b530762f6d6ba19 (patch) | |
tree | e95be6e66db504ed06d00b72c579565bab873277 /app/source/Cplt/Utils/ScopeGuard.hpp | |
parent | 2cf952088d375ac8b2f45b144462af0953436cff (diff) |
Restructure project
Diffstat (limited to 'app/source/Cplt/Utils/ScopeGuard.hpp')
-rw-r--r-- | app/source/Cplt/Utils/ScopeGuard.hpp | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/app/source/Cplt/Utils/ScopeGuard.hpp b/app/source/Cplt/Utils/ScopeGuard.hpp new file mode 100644 index 0000000..f2b7f46 --- /dev/null +++ b/app/source/Cplt/Utils/ScopeGuard.hpp @@ -0,0 +1,39 @@ +#pragma once + +#include <Cplt/Utils/Macros.hpp> + +#include <utility> + +template <class TCleanupFunc> +class ScopeGuard +{ +private: + TCleanupFunc mFunc; + bool mDismissed = false; + +public: + /// Specifically left this implicit so that constructs like + /// \code + /// ScopeGuard sg = [&]() { res.Cleanup(); }; + /// \endcode + /// would work. It is highly discourage and unlikely that one would want to use ScopeGuard as a function + /// parameter, so the normal argument that implicit conversion are harmful doesn't really apply here. + ScopeGuard(TCleanupFunc func) + : mFunc{ std::move(func) } + { + } + + ~ScopeGuard() + { + if (!mDismissed) { + mFunc(); + } + } + + void Dismiss() noexcept + { + mDismissed = true; + } +}; + +#define DEFER ScopeGuard UNIQUE_NAME(scopeGuard) = [&]() |