初始化内容

third/LuaBridge3/Source/LuaBridge/detail/ScopeGuard.h

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+// https://github.com/kunitoki/LuaBridge3
+// Copyright 2021, kunitoki
+// Copyright 2012, Vinnie Falco <vinnie.falco@gmail.com>
+// SPDX-License-Identifier: MIT
+
+#pragma once
+
+#include "Config.h"
+#include "Stack.h"
+
+namespace luabridge::detail {
+
+//=================================================================================================
+/**
+ * @brief Scope guard.
+ */
+template <class F>
+class ScopeGuard
+{
+public:
+    template <class V>
+    explicit ScopeGuard(V&& v)
+        : m_func(std::forward<V>(v))
+        , m_shouldRun(true)
+    {
+    }
+
+    ~ScopeGuard()
+    {
+        if (m_shouldRun)
+            m_func();
+    }
+
+    void reset() noexcept
+    {
+        m_shouldRun = false;
+    }
+
+private:
+    F m_func;
+    bool m_shouldRun;
+};
+
+template <class F>
+ScopeGuard(F&&) -> ScopeGuard<F>;
+
+} // namespace luabridge::detail