Simplify the base characteristics for some type traits
* include/std/type_traits (__is_member_object_pointer_helper): Use __not_<is_function<_Tp>>::type instead of integral_constant. (__is_member_function_pointer_helper): Likewise for is_function<_Tp>::type. (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type. (__do_is_nt_destructible_impl): Use __bool_constant and reindent. (is_trivially_constructible): Remove redundant use of is_constructible. (__is_trivially_copy_assignable_impl): Remove redundant use of is_copy_assignable. (__is_trivially_move_assignable_impl): Remove redundant use of is_move_assignable. (is_trivially_destructible): Use __bool_constant. * testsuite/20_util/is_trivially_assignable/value.cc: Add some more tests for scalar types. From-SVN: r262889
This commit is contained in:
Jonathan Wakely
Jonathan Wakely
parent
20a0c4e3dc
commit
c01f9216b7
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@ -1,3 +1,21 @@
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2018-07-19 Jonathan Wakely <jwakely@redhat.com>
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* include/std/type_traits (__is_member_object_pointer_helper): Use
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__not_<is_function<_Tp>>::type instead of integral_constant.
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(__is_member_function_pointer_helper): Likewise for
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is_function<_Tp>::type.
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(is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
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(__do_is_nt_destructible_impl): Use __bool_constant and reindent.
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(is_trivially_constructible): Remove redundant use of
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is_constructible.
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(__is_trivially_copy_assignable_impl): Remove redundant use of
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is_copy_assignable.
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(__is_trivially_move_assignable_impl): Remove redundant use of
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is_move_assignable.
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(is_trivially_destructible): Use __bool_constant.
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* testsuite/20_util/is_trivially_assignable/value.cc: Add some more
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tests for scalar types.
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2018-07-19 Glen Joseph Fernandes <glenjofe@gmail.com>
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* include/bits/stl_algobase.h (__copy_move_a): Used
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@ -396,7 +396,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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template<typename _Tp, typename _Cp>
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struct __is_member_object_pointer_helper<_Tp _Cp::*>
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: public integral_constant<bool, !is_function<_Tp>::value> { };
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: public __not_<is_function<_Tp>>::type { };
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/// is_member_object_pointer
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template<typename _Tp>
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@ -411,7 +411,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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template<typename _Tp, typename _Cp>
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struct __is_member_function_pointer_helper<_Tp _Cp::*>
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: public integral_constant<bool, is_function<_Tp>::value> { };
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: public is_function<_Tp>::type { };
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/// is_member_function_pointer
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template<typename _Tp>
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@ -603,7 +603,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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/// is_compound
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template<typename _Tp>
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struct is_compound
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: public integral_constant<bool, !is_fundamental<_Tp>::value> { };
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: public __not_<is_fundamental<_Tp>>::type { };
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template<typename _Tp>
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struct __is_member_pointer_helper
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@ -826,8 +826,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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struct __do_is_nt_destructible_impl
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{
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template<typename _Tp>
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static integral_constant<bool, noexcept(declval<_Tp&>().~_Tp())>
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__test(int);
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static __bool_constant<noexcept(declval<_Tp&>().~_Tp())>
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__test(int);
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template<typename>
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static false_type __test(...);
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@ -1136,8 +1136,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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/// is_trivially_constructible
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template<typename _Tp, typename... _Args>
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struct is_trivially_constructible
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: public __and_<is_constructible<_Tp, _Args...>, __bool_constant<
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__is_trivially_constructible(_Tp, _Args...)>>::type
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: public __bool_constant<__is_trivially_constructible(_Tp, _Args...)>
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{ };
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/// is_trivially_default_constructible
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@ -1235,9 +1234,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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template<typename _Tp>
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struct __is_trivially_copy_assignable_impl<_Tp, true>
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: public __and_<is_copy_assignable<_Tp>,
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integral_constant<bool,
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__is_trivially_assignable(_Tp&, const _Tp&)>>
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: public __bool_constant<__is_trivially_assignable(_Tp&, const _Tp&)>
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{ };
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template<typename _Tp>
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@ -1256,9 +1253,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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template<typename _Tp>
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struct __is_trivially_move_assignable_impl<_Tp, true>
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: public __and_<is_move_assignable<_Tp>,
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integral_constant<bool,
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__is_trivially_assignable(_Tp&, _Tp&&)>>
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: public __bool_constant<__is_trivially_assignable(_Tp&, _Tp&&)>
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{ };
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template<typename _Tp>
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@ -1269,8 +1264,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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/// is_trivially_destructible
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template<typename _Tp>
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struct is_trivially_destructible
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: public __and_<is_destructible<_Tp>, integral_constant<bool,
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__has_trivial_destructor(_Tp)>>
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: public __and_<is_destructible<_Tp>,
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__bool_constant<__has_trivial_destructor(_Tp)>>
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{ };
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@ -44,91 +44,113 @@ void test01()
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using std::is_trivially_assignable;
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using namespace __gnu_test;
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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int, int>(false), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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int&, int>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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int&, int&>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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int&, int&&>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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int&, const int&>(true), "");
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static_assert(test_property<is_trivially_assignable,
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int&, int*>(false), "");
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static_assert(test_property<is_trivially_assignable,
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int&, void*>(false), "");
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static_assert(test_property<is_trivially_assignable,
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const int, int>(false), "");
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static_assert(test_property<is_trivially_assignable,
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const int&, int>(false), "");
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static_assert(test_property<is_trivially_assignable,
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const int&, const int&>(false), "");
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static_assert(test_property<is_trivially_assignable,
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const int*&, int*>(true), "");
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static_assert(test_property<is_trivially_assignable,
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int*&, const int*&>(false), "");
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static_assert(test_property<is_trivially_assignable,
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int*&, const int&>(false), "");
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static_assert(test_property<is_trivially_assignable,
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const int*&, void*>(false), "");
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static_assert(test_property<is_trivially_assignable,
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const void*&, void*>(true), "");
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static_assert(test_property<is_trivially_assignable,
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const void*&, int*>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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TType, TType>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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TType&, TType>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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TType&, TType&>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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TType&, TType&&>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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TType&, const TType&>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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PODType, PODType>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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NType&, NType&>(false), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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SLType, SLType>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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assign::Empty, assign::Empty>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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assign::Abstract, assign::Abstract>(false), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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assign::Ellipsis, assign::Ellipsis>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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assign::DelEllipsis, assign::DelEllipsis>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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assign::Any, assign::Any>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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assign::DelDef, assign::DelDef>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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assign::DelCopy, assign::DelCopy>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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assign::Nontrivial, assign::Nontrivial>(false), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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assign::AnyAssign, assign::AnyAssign>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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assign::DelAnyAssign, assign::DelAnyAssign>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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assign::DelCopyAssign, assign::DelCopyAssign>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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assign::MO, assign::MO>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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assign::MO, assign::MO&&>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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assign::MO, assign::MO&>(false), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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assign::MO, const assign::MO&>(false), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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CopyConsOnlyType, CopyConsOnlyType>(false), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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CopyConsOnlyType, const CopyConsOnlyType&>(false), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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MoveConsOnlyType, MoveConsOnlyType>(false), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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MoveConsOnlyType, MoveConsOnlyType&&>(false), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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HasTemplateCAssign, HasTemplateCAssign>(false), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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HasTemplateCAssign, const HasTemplateCAssign&>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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ClassType, DerivedType>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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ClassType, DerivedType&>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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ClassType, DerivedType&&>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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ClassType, const DerivedType&>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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MoveOnly, MoveOnly>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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MoveOnly, MoveOnly&&>(true), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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MoveOnly, MoveOnly&>(false), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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MoveOnly, const MoveOnly&>(false), "");
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static_assert(test_property<is_trivially_assignable,
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static_assert(test_property<is_trivially_assignable,
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MoveOnly2, MoveOnly2>(false), "");
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}
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