mirror of
https://github.com/darlinghq/darling-WTF.git
synced 2024-11-23 11:59:47 +00:00
71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
/*
|
|
* 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:
|
|
#if !ASSERT_DISABLED
|
|
CheckedBoolean(const CheckedBoolean& other)
|
|
: m_value(other.m_value)
|
|
, m_checked(false)
|
|
{
|
|
other.m_checked = true;
|
|
}
|
|
#endif
|
|
|
|
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
|
|
mutable bool m_checked;
|
|
#endif
|
|
};
|
|
|
|
#endif
|