Move Source/WTF/wtf to Source/wtf

Source/WTF/wtf/CheckedBoolean.h

-/*
- * Copyright (C) 2011 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
- */
-
-#ifndef CheckedBoolean_h
-#define CheckedBoolean_h
-
-#include <wtf/Assertions.h>
-
-class CheckedBoolean {
-public:
-    CheckedBoolean(bool value)
-    : m_value(value)
-#if !ASSERT_DISABLED
-    , m_checked(false)
-#endif
-    {
-    }
-    
-    ~CheckedBoolean()
-    {
-        ASSERT(m_checked);
-    }
-    
-    operator bool()
-    {
-#if !ASSERT_DISABLED
-        m_checked = true;
-#endif
-        return m_value;
-    }
-    
-private:
-    bool m_value;
-#if !ASSERT_DISABLED
-    bool m_checked;
-#endif
-};
-
-#endif