diff options
Diffstat (limited to 'contrib/src/boost/type_traits/is_constructible.hpp')
-rw-r--r-- | contrib/src/boost/type_traits/is_constructible.hpp | 160 |
1 files changed, 80 insertions, 80 deletions
diff --git a/contrib/src/boost/type_traits/is_constructible.hpp b/contrib/src/boost/type_traits/is_constructible.hpp index 2017317..3ce9743 100644 --- a/contrib/src/boost/type_traits/is_constructible.hpp +++ b/contrib/src/boost/type_traits/is_constructible.hpp @@ -1,80 +1,80 @@ - -// (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_CONSTRUCTIBLE_HPP_INCLUDED -#define BOOST_TT_IS_CONSTRUCTIBLE_HPP_INCLUDED - -#include <boost/type_traits/integral_constant.hpp> -#include <boost/detail/workaround.hpp> - -#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && !defined(BOOST_NO_CXX11_DECLTYPE) && !BOOST_WORKAROUND(BOOST_MSVC, < 1800) && !BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40500) - -#include <boost/type_traits/is_destructible.hpp> -#include <boost/type_traits/is_default_constructible.hpp> -#include <boost/type_traits/detail/yes_no_type.hpp> -#include <boost/type_traits/declval.hpp> - -namespace boost{ - - namespace detail{ - - struct is_constructible_imp - { - template<typename T, typename ...TheArgs, typename = decltype(T(boost::declval<TheArgs>()...))> - static boost::type_traits::yes_type test(int); - template<typename, typename...> - static boost::type_traits::no_type test(...); - - template<typename T, typename Arg, typename = decltype(::new T(boost::declval<Arg>()))> - static boost::type_traits::yes_type test1(int); - template<typename, typename> - static boost::type_traits::no_type test1(...); - - template <typename T> - static boost::type_traits::yes_type ref_test(T); - template <typename T> - static boost::type_traits::no_type ref_test(...); - }; - - } - - template <class T, class ...Args> struct is_constructible : public integral_constant<bool, sizeof(detail::is_constructible_imp::test<T, Args...>(0)) == sizeof(boost::type_traits::yes_type)>{}; - template <class T, class Arg> struct is_constructible<T, Arg> : public integral_constant<bool, is_destructible<T>::value && sizeof(detail::is_constructible_imp::test1<T, Arg>(0)) == sizeof(boost::type_traits::yes_type)>{}; - template <class Ref, class Arg> struct is_constructible<Ref&, Arg> : public integral_constant<bool, sizeof(detail::is_constructible_imp::ref_test<Ref&>(boost::declval<Arg>())) == sizeof(boost::type_traits::yes_type)>{}; - template <class Ref, class Arg> struct is_constructible<Ref&&, Arg> : public integral_constant<bool, sizeof(detail::is_constructible_imp::ref_test<Ref&&>(boost::declval<Arg>())) == sizeof(boost::type_traits::yes_type)>{}; - - template <> struct is_constructible<void> : public false_type{}; - template <> struct is_constructible<void const> : public false_type{}; - template <> struct is_constructible<void const volatile> : public false_type{}; - template <> struct is_constructible<void volatile> : public false_type{}; - - template <class T> struct is_constructible<T> : public is_default_constructible<T>{}; - -#else - -#include <boost/type_traits/is_convertible.hpp> -#include <boost/type_traits/is_default_constructible.hpp> - -namespace boost{ - - // We don't know how to implement this: - template <class T, class U = void> struct is_constructible : public is_convertible<U, T>{}; - template <class T> struct is_constructible<T, void> : public is_default_constructible<T>{}; - template <> struct is_constructible<void, void> : public false_type{}; - template <> struct is_constructible<void const, void> : public false_type{}; - template <> struct is_constructible<void const volatile, void> : public false_type{}; - template <> struct is_constructible<void volatile, void> : public false_type{}; - template <class Ref> struct is_constructible<Ref&, void> : public false_type{}; -#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES - template <class Ref> struct is_constructible<Ref&&, void> : public false_type{}; -#endif -#endif - -} // namespace boost - -#endif // BOOST_TT_IS_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_CONSTRUCTIBLE_HPP_INCLUDED
+#define BOOST_TT_IS_CONSTRUCTIBLE_HPP_INCLUDED
+
+#include <boost/type_traits/integral_constant.hpp>
+#include <boost/detail/workaround.hpp>
+
+#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && !defined(BOOST_NO_CXX11_DECLTYPE) && !BOOST_WORKAROUND(BOOST_MSVC, < 1800) && !BOOST_WORKAROUND(BOOST_GCC_VERSION, < 40500)
+
+#include <boost/type_traits/is_destructible.hpp>
+#include <boost/type_traits/is_default_constructible.hpp>
+#include <boost/type_traits/detail/yes_no_type.hpp>
+#include <boost/type_traits/declval.hpp>
+
+namespace boost{
+
+ namespace detail{
+
+ struct is_constructible_imp
+ {
+ template<typename T, typename ...TheArgs, typename = decltype(T(boost::declval<TheArgs>()...))>
+ static boost::type_traits::yes_type test(int);
+ template<typename, typename...>
+ static boost::type_traits::no_type test(...);
+
+ template<typename T, typename Arg, typename = decltype(::new T(boost::declval<Arg>()))>
+ static boost::type_traits::yes_type test1(int);
+ template<typename, typename>
+ static boost::type_traits::no_type test1(...);
+
+ template <typename T>
+ static boost::type_traits::yes_type ref_test(T);
+ template <typename T>
+ static boost::type_traits::no_type ref_test(...);
+ };
+
+ }
+
+ template <class T, class ...Args> struct is_constructible : public integral_constant<bool, sizeof(detail::is_constructible_imp::test<T, Args...>(0)) == sizeof(boost::type_traits::yes_type)>{};
+ template <class T, class Arg> struct is_constructible<T, Arg> : public integral_constant<bool, is_destructible<T>::value && sizeof(detail::is_constructible_imp::test1<T, Arg>(0)) == sizeof(boost::type_traits::yes_type)>{};
+ template <class Ref, class Arg> struct is_constructible<Ref&, Arg> : public integral_constant<bool, sizeof(detail::is_constructible_imp::ref_test<Ref&>(boost::declval<Arg>())) == sizeof(boost::type_traits::yes_type)>{};
+ template <class Ref, class Arg> struct is_constructible<Ref&&, Arg> : public integral_constant<bool, sizeof(detail::is_constructible_imp::ref_test<Ref&&>(boost::declval<Arg>())) == sizeof(boost::type_traits::yes_type)>{};
+
+ template <> struct is_constructible<void> : public false_type{};
+ template <> struct is_constructible<void const> : public false_type{};
+ template <> struct is_constructible<void const volatile> : public false_type{};
+ template <> struct is_constructible<void volatile> : public false_type{};
+
+ template <class T> struct is_constructible<T> : public is_default_constructible<T>{};
+
+#else
+
+#include <boost/type_traits/is_convertible.hpp>
+#include <boost/type_traits/is_default_constructible.hpp>
+
+namespace boost{
+
+ // We don't know how to implement this:
+ template <class T, class U = void> struct is_constructible : public is_convertible<U, T>{};
+ template <class T> struct is_constructible<T, void> : public is_default_constructible<T>{};
+ template <> struct is_constructible<void, void> : public false_type{};
+ template <> struct is_constructible<void const, void> : public false_type{};
+ template <> struct is_constructible<void const volatile, void> : public false_type{};
+ template <> struct is_constructible<void volatile, void> : public false_type{};
+ template <class Ref> struct is_constructible<Ref&, void> : public false_type{};
+#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
+ template <class Ref> struct is_constructible<Ref&&, void> : public false_type{};
+#endif
+#endif
+
+} // namespace boost
+
+#endif // BOOST_TT_IS_CONSTRUCTIBLE_HPP_INCLUDED
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