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Diffstat (limited to '3rdParty/Boost/src/boost/type_traits/is_copy_constructible.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/type_traits/is_copy_constructible.hpp | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/type_traits/is_copy_constructible.hpp b/3rdParty/Boost/src/boost/type_traits/is_copy_constructible.hpp new file mode 100644 index 0000000..e90ecb7 --- /dev/null +++ b/3rdParty/Boost/src/boost/type_traits/is_copy_constructible.hpp @@ -0,0 +1,122 @@ +// (C) Copyright Antony Polukhin 2013. +// +// Use, modification and distribution are subject to 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/type_traits for most recent version including documentation. + +#ifndef BOOST_TT_IS_COPY_CONSTRUCTIBLE_HPP_INCLUDED +#define BOOST_TT_IS_COPY_CONSTRUCTIBLE_HPP_INCLUDED + +#include <boost/config.hpp> +#include <boost/type_traits/detail/yes_no_type.hpp> +#include <boost/type_traits/is_base_and_derived.hpp> +#include <boost/type_traits/add_reference.hpp> +#include <boost/type_traits/is_rvalue_reference.hpp> +#include <boost/utility/declval.hpp> +#include <boost/noncopyable.hpp> + +// should be the last #include +#include <boost/type_traits/detail/bool_trait_def.hpp> + +namespace boost { + +namespace detail{ + +template <bool DerivedFromNoncopyable, class T> +struct is_copy_constructible_impl2 { + +// Intel compiler has problems with SFINAE for copy constructors and deleted functions: +// +// error: function *function_name* cannot be referenced -- it is a deleted function +// static boost::type_traits::yes_type test(T1&, decltype(T1(boost::declval<T1&>()))* = 0); +// ^ +#if !defined(BOOST_NO_CXX11_DELETED_FUNCTIONS) && !defined(BOOST_INTEL_CXX_VERSION) + +#ifdef BOOST_NO_CXX11_DECLTYPE + template <class T1> + static boost::type_traits::yes_type test(T1&, boost::mpl::int_<sizeof(T1(boost::declval<T1&>()))>* = 0); +#else + template <class T1> + static boost::type_traits::yes_type test(T1&, decltype(T1(boost::declval<T1&>()))* = 0); +#endif + + static boost::type_traits::no_type test(...); +#else + template <class T1> + static boost::type_traits::no_type test(T1&, typename T1::boost_move_no_copy_constructor_or_assign* = 0); + static boost::type_traits::yes_type test(...); +#endif + + // If you see errors like this: + // + // `'T::T(const T&)' is private` + // `boost/type_traits/is_copy_constructible.hpp:68:5: error: within this context` + // + // then you are trying to call that macro for a structure defined like that: + // + // struct T { + // ... + // private: + // T(const T &); + // ... + // }; + // + // To fix that you must modify your structure: + // + // // C++03 and C++11 version + // struct T: private boost::noncopyable { + // ... + // private: + // T(const T &); + // ... + // }; + // + // // C++11 version + // struct T { + // ... + // private: + // T(const T &) = delete; + // ... + // }; + BOOST_STATIC_CONSTANT(bool, value = ( + sizeof(test( + boost::declval<BOOST_DEDUCED_TYPENAME boost::add_reference<T>::type>() + )) == sizeof(boost::type_traits::yes_type) + || + boost::is_rvalue_reference<T>::value + )); +}; + +template <class T> +struct is_copy_constructible_impl2<true, T> { + BOOST_STATIC_CONSTANT(bool, value = false); +}; + +template <class T> +struct is_copy_constructible_impl { + + BOOST_STATIC_CONSTANT(bool, value = ( + boost::detail::is_copy_constructible_impl2< + boost::is_base_and_derived<boost::noncopyable, T>::value, + T + >::value + )); +}; + +} // namespace detail + +BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_copy_constructible,T,::boost::detail::is_copy_constructible_impl<T>::value) +BOOST_TT_AUX_BOOL_TRAIT_SPEC1(is_copy_constructible,void,false) +#ifndef BOOST_NO_CV_VOID_SPECIALIZATIONS +BOOST_TT_AUX_BOOL_TRAIT_SPEC1(is_copy_constructible,void const,false) +BOOST_TT_AUX_BOOL_TRAIT_SPEC1(is_copy_constructible,void const volatile,false) +BOOST_TT_AUX_BOOL_TRAIT_SPEC1(is_copy_constructible,void volatile,false) +#endif + +} // namespace boost + +#include <boost/type_traits/detail/bool_trait_undef.hpp> + +#endif // BOOST_TT_IS_COPY_CONSTRUCTIBLE_HPP_INCLUDED |