utility/include/boost/noncopyable.hpp
Andrey Semashev 8ae3bfa961 Fix compilation with gcc 4.5 in C++11 mode
Gcc 4.5 does not allow non-public defaulted functions, so fall back to the C++03 version. Also replaced the deprecated macros with the new ones and adjusted formatting.
2014-04-10 00:27:41 +04:00

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1.4 KiB
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// Boost noncopyable.hpp header file --------------------------------------//
// (C) Copyright Beman Dawes 1999-2003. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org/libs/utility for documentation.
#ifndef BOOST_NONCOPYABLE_HPP_INCLUDED
#define BOOST_NONCOPYABLE_HPP_INCLUDED
#include <boost/config.hpp>
namespace boost {
// Private copy constructor and copy assignment ensure classes derived from
// class noncopyable cannot be copied.
// Contributed by Dave Abrahams
namespace noncopyable_ // protection from unintended ADL
{
class noncopyable
{
protected:
#if !defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) && !defined(BOOST_NO_CXX11_NON_PUBLIC_DEFAULTED_FUNCTIONS)
BOOST_CONSTEXPR noncopyable() = default;
~noncopyable() = default;
#else
noncopyable() {}
~noncopyable() {}
#endif
#if !defined(BOOST_NO_CXX11_DELETED_FUNCTIONS)
noncopyable( const noncopyable& ) = delete;
noncopyable& operator=( const noncopyable& ) = delete;
#else
private: // emphasize the following members are private
noncopyable( const noncopyable& );
noncopyable& operator=( const noncopyable& );
#endif
};
}
typedef noncopyable_::noncopyable noncopyable;
} // namespace boost
#endif // BOOST_NONCOPYABLE_HPP_INCLUDED