83 lines
3.1 KiB
Plaintext
83 lines
3.1 KiB
Plaintext
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// (C) Copyright Steve Cleary, Beman Dawes, Howard Hinnant & John Maddock 2000.
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// Use, modification and distribution are subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt).
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//
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// See http://www.boost.org/libs/type_traits for most recent version including documentation.
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#ifndef BOOST_TT_HAS_NOTHROW_COPY_HPP_INCLUDED
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#define BOOST_TT_HAS_NOTHROW_COPY_HPP_INCLUDED
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#include <boost/type_traits/intrinsics.hpp>
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#include <boost/type_traits/integral_constant.hpp>
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#ifdef BOOST_HAS_NOTHROW_COPY
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#if defined(BOOST_CLANG) || defined(__GNUC__) || defined(__ghs__) || defined(__CODEGEARC__) || defined(__SUNPRO_CC)
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#include <boost/type_traits/is_volatile.hpp>
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#include <boost/type_traits/is_copy_constructible.hpp>
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#include <boost/type_traits/is_reference.hpp>
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#include <boost/type_traits/is_array.hpp>
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#ifdef BOOST_INTEL
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#include <boost/type_traits/is_pod.hpp>
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#endif
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#elif defined(BOOST_MSVC) || defined(BOOST_INTEL)
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#include <boost/type_traits/has_trivial_copy.hpp>
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#include <boost/type_traits/is_array.hpp>
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#ifdef BOOST_INTEL
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#include <boost/type_traits/add_lvalue_reference.hpp>
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#include <boost/type_traits/add_const.hpp>
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#endif
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#endif
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namespace boost {
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template <class T> struct has_nothrow_copy_constructor : public integral_constant<bool, BOOST_HAS_NOTHROW_COPY(T)>{};
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#elif !defined(BOOST_NO_CXX11_NOEXCEPT)
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#include <boost/type_traits/declval.hpp>
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#include <boost/type_traits/is_copy_constructible.hpp>
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namespace boost{
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namespace detail{
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template <class T, bool b>
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struct has_nothrow_copy_constructor_imp : public boost::integral_constant<bool, false>{};
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template <class T>
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struct has_nothrow_copy_constructor_imp<T, true> : public boost::integral_constant<bool, noexcept(T(boost::declval<const T&>()))>{};
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}
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template <class T> struct has_nothrow_copy_constructor : public detail::has_nothrow_copy_constructor_imp<T, boost::is_copy_constructible<T>::value>{};
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#else
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#include <boost/type_traits/has_trivial_copy.hpp>
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namespace boost{
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template <class T> struct has_nothrow_copy_constructor : public integral_constant<bool, ::boost::has_trivial_copy<T>::value>{};
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#endif
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template <> struct has_nothrow_copy_constructor<void> : public false_type{};
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template <class T> struct has_nothrow_copy_constructor<T volatile> : public false_type{};
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template <class T> struct has_nothrow_copy_constructor<T&> : public false_type{};
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#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
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template <class T> struct has_nothrow_copy_constructor<T&&> : public false_type{};
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#endif
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#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS
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template <> struct has_nothrow_copy_constructor<void const> : public false_type{};
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template <> struct has_nothrow_copy_constructor<void volatile> : public false_type{};
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template <> struct has_nothrow_copy_constructor<void const volatile> : public false_type{};
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#endif
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template <class T> struct has_nothrow_copy : public has_nothrow_copy_constructor<T>{};
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} // namespace boost
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#endif // BOOST_TT_HAS_NOTHROW_COPY_HPP_INCLUDED
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