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#pragma once
#include "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) = [&]()
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