diff options
Diffstat (limited to 'contrib/src/boost/type_traits/is_default_constructible.hpp')
-rw-r--r-- | contrib/src/boost/type_traits/is_default_constructible.hpp | 167 |
1 files changed, 83 insertions, 84 deletions
diff --git a/contrib/src/boost/type_traits/is_default_constructible.hpp b/contrib/src/boost/type_traits/is_default_constructible.hpp index e4734d3..0b7d960 100644 --- a/contrib/src/boost/type_traits/is_default_constructible.hpp +++ b/contrib/src/boost/type_traits/is_default_constructible.hpp @@ -1,84 +1,83 @@ -
-// (C) Copyright John Maddock 2015.
-// 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_DEFAULT_CONSTRUCTIBLE_HPP_INCLUDED
-#define BOOST_TT_IS_DEFAULT_CONSTRUCTIBLE_HPP_INCLUDED
-
-#include <cstddef> // size_t
-#include <boost/type_traits/integral_constant.hpp>
-#include <boost/detail/workaround.hpp>
-
-#if BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40700)
-#include <boost/type_traits/is_abstract.hpp>
-#endif
-
-#if !defined(BOOST_NO_CXX11_DECLTYPE) && !BOOST_WORKAROUND(BOOST_MSVC, < 1800) && !BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40500)
-
-#include <boost/type_traits/detail/yes_no_type.hpp>
-
-namespace boost{
-
- namespace detail{
-
- struct is_default_constructible_imp
- {
- template<typename _Tp, typename = decltype(_Tp())>
- static boost::type_traits::yes_type test(int);
-
- template<typename>
- static boost::type_traits::no_type test(...);
- };
-#if BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40700)
- template<class T, bool b>
- struct is_default_constructible_abstract_filter
- {
- static const bool value = sizeof(is_default_constructible_imp::test<T>(0)) == sizeof(boost::type_traits::yes_type);
- };
- template<class T>
- struct is_default_constructible_abstract_filter<T, true>
- {
- static const bool value = false;
- };
-#endif
- }
-
-#if BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40700)
- template <class T> struct is_default_constructible : public integral_constant<bool, detail::is_default_constructible_abstract_filter<T, boost::is_abstract<T>::value>::value>{};
-#else
- template <class T> struct is_default_constructible : public integral_constant<bool, sizeof(detail::is_default_constructible_imp::test<T>(0)) == sizeof(boost::type_traits::yes_type)>{};
-#endif
- template <class T, std::size_t N> struct is_default_constructible<T[N]> : public is_default_constructible<T>{};
- template <class T> struct is_default_constructible<T[]> : public is_default_constructible<T>{};
- template <class T> struct is_default_constructible<T&> : public integral_constant<bool, false>{};
-#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
- template <class T> struct is_default_constructible<T&&> : public integral_constant<bool, false>{};
-#endif
- template <> struct is_default_constructible<void> : public integral_constant<bool, false>{};
- template <> struct is_default_constructible<void const> : public integral_constant<bool, false>{};
- template <> struct is_default_constructible<void volatile> : public integral_constant<bool, false>{};
- template <> struct is_default_constructible<void const volatile> : public integral_constant<bool, false>{};
-
-#else
-
-#include <boost/type_traits/is_pod.hpp>
-
-namespace boost{
-
- // We don't know how to implement this, note we can not use has_trivial_constructor here
- // because the correct implementation of that trait requires this one:
- template <class T> struct is_default_constructible : public is_pod<T>{};
- template <> struct is_default_constructible<void> : public integral_constant<bool, false>{};
- template <> struct is_default_constructible<void const> : public integral_constant<bool, false>{};
- template <> struct is_default_constructible<void volatile> : public integral_constant<bool, false>{};
- template <> struct is_default_constructible<void const volatile> : public integral_constant<bool, false>{};
-
-#endif
-
-} // namespace boost
-
-#endif // BOOST_TT_IS_DEFAULT_CONSTRUCTIBLE_HPP_INCLUDED
+ +// (C) Copyright John Maddock 2015. +// 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_DEFAULT_CONSTRUCTIBLE_HPP_INCLUDED +#define BOOST_TT_IS_DEFAULT_CONSTRUCTIBLE_HPP_INCLUDED + +#include <boost/type_traits/integral_constant.hpp> +#include <boost/detail/workaround.hpp> + +#if BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40700) +#include <boost/type_traits/is_abstract.hpp> +#endif + +#if !defined(BOOST_NO_CXX11_DECLTYPE) && !BOOST_WORKAROUND(BOOST_MSVC, < 1800) && !BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40500) + +#include <boost/type_traits/detail/yes_no_type.hpp> + +namespace boost{ + + namespace detail{ + + struct is_default_constructible_imp + { + template<typename _Tp, typename = decltype(_Tp())> + static boost::type_traits::yes_type test(int); + + template<typename> + static boost::type_traits::no_type test(...); + }; +#if BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40700) + template<class T, bool b> + struct is_default_constructible_abstract_filter + { + static const bool value = sizeof(is_default_constructible_imp::test<T>(0)) == sizeof(boost::type_traits::yes_type); + }; + template<class T> + struct is_default_constructible_abstract_filter<T, true> + { + static const bool value = false; + }; +#endif + } + +#if BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40700) + template <class T> struct is_default_constructible : public integral_constant<bool, detail::is_default_constructible_abstract_filter<T, boost::is_abstract<T>::value>::value>{}; +#else + template <class T> struct is_default_constructible : public integral_constant<bool, sizeof(detail::is_default_constructible_imp::test<T>(0)) == sizeof(boost::type_traits::yes_type)>{}; +#endif + template <class T, std::size_t N> struct is_default_constructible<T[N]> : public is_default_constructible<T>{}; + template <class T> struct is_default_constructible<T[]> : public is_default_constructible<T>{}; + template <class T> struct is_default_constructible<T&> : public integral_constant<bool, false>{}; +#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) + template <class T> struct is_default_constructible<T&&> : public integral_constant<bool, false>{}; +#endif + template <> struct is_default_constructible<void> : public integral_constant<bool, false>{}; + template <> struct is_default_constructible<void const> : public integral_constant<bool, false>{}; + template <> struct is_default_constructible<void volatile> : public integral_constant<bool, false>{}; + template <> struct is_default_constructible<void const volatile> : public integral_constant<bool, false>{}; + +#else + +#include <boost/type_traits/is_pod.hpp> + +namespace boost{ + + // We don't know how to implement this, note we can not use has_trivial_constructor here + // because the correct implementation of that trait requires this one: + template <class T> struct is_default_constructible : public is_pod<T>{}; + template <> struct is_default_constructible<void> : public integral_constant<bool, false>{}; + template <> struct is_default_constructible<void const> : public integral_constant<bool, false>{}; + template <> struct is_default_constructible<void volatile> : public integral_constant<bool, false>{}; + template <> struct is_default_constructible<void const volatile> : public integral_constant<bool, false>{}; + +#endif + +} // namespace boost + +#endif // BOOST_TT_IS_DEFAULT_CONSTRUCTIBLE_HPP_INCLUDED |