std::has_trivial_default_constructor(3) [centos man page]
std::has_trivial_default_constructor< _Tp >(3) Library Functions Manual std::has_trivial_default_constructor< _Tp >(3) NAME
std::has_trivial_default_constructor< _Tp > - SYNOPSIS
Inherits std::integral_constant< bool, __has_trivial_constructor(_Tp)>. Public Types typedef integral_constant < bool, __v > type" typedef bool value_type Public Member Functions constexpr operator value_type () Static Public Attributes static constexpr bool value Detailed Description template<typename _Tp>struct std::has_trivial_default_constructor< _Tp > has_trivial_default_constructor (temporary legacy) Definition at line 1211 of file type_traits. Author Generated automatically by Doxygen for libstdc++ from the source code. libstdc++ Tue Jun 10 2014 std::has_trivial_default_constructor< _Tp >(3)
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std::integral_constant< _Tp, __v >(3) Library Functions Manual std::integral_constant< _Tp, __v >(3) NAME
std::integral_constant< _Tp, __v > - SYNOPSIS
Inherited by std::__and_<>, std::__is_base_to_derived_ref< _From, _To, false >, std::__is_copy_assignable_impl< _Tp, true >, std::__is_copy_constructible_impl< _Tp, true >, std::__is_destructible_safe< _Tp, false, true >, std::__is_destructible_safe< _Tp, true, false >, std::__is_empty_non_tuple< tuple< _El0, _El...> >, std::__is_fast_hash< _Hash >, std::__is_fast_hash< hash< long double > >, std::__is_fast_hash< hash< string > >, std::__is_fast_hash< hash< u16string > >, std::__is_fast_hash< hash< u32string > >, std::__is_fast_hash< hash< wstring > >, std::__is_floating_point_helper< typename >, std::__is_floating_point_helper< double >, std::__is_floating_point_helper< float >, std::__is_floating_point_helper< long double >, std::__is_integral_helper< typename >, std::__is_integral_helper< bool >, std::__is_integral_helper< char >, std::__is_integral_helper< char16_t >, std::__is_integral_helper< char32_t >, std::__is_integral_helper< int >, std::__is_integral_helper< long >, std::__is_integral_helper< long long >, std::__is_integral_helper< short >, std::__is_integral_helper< signed char >, std::__is_integral_helper< unsigned char >, std::__is_integral_helper< unsigned int >, std::__is_integral_helper< unsigned long >, std::__is_integral_helper< unsigned long long >, std::__is_integral_helper< unsigned short >, std::__is_integral_helper< wchar_t >, std::__is_lvalue_to_rvalue_ref< _From, _To, false >, std::__is_member_function_pointer_helper< typename >, std::__is_member_object_pointer_helper< typename >, std::__is_member_pointer_helper< _Tp >, std::__is_member_pointer_helper< _Tp _Cp::* >, std::__is_move_assignable_impl< _Tp, true >, std::__is_move_constructible_impl< _Tp, true >, std::__is_nothrow_copy_constructible_impl< _Tp, true >, std::__is_nothrow_move_constructible_impl< _Tp, true >, std::__is_nt_copy_assignable_impl< _Tp, true >, std::__is_nt_destructible_safe< _Tp, false, true >, std::__is_nt_destructible_safe< _Tp, true, false >, std::__is_nt_move_assignable_impl< _Tp, true >, std::__is_nullptr_t_helper< typename >, std::__is_nullptr_t_helper< std::nullptr_t >, std::__is_pointer_helper< typename >, std::__is_pointer_helper< _Tp * >, std::__is_signed_helper< _Tp, bool, bool >, std::__is_signed_helper< _Tp, false, true >, std::__is_tuple_like< _Tp >, std::__is_tuple_like_impl< typename >, std::__is_tuple_like_impl< array< _Tp, _Nm > >, std::__is_tuple_like_impl< pair< _T1, _T2 > >, std::__is_tuple_like_impl< tuple< _Tps...> >, std::__is_void_helper< typename >, std::__is_void_helper< void >, std::__or_<>, std::__ratio_less_impl< _R1, _R2, bool, bool >, std::__uses_allocator_helper< _Tp, _Alloc, bool >, std::_AllConvertible< _From, _To, bool >, std::chrono::__is_duration< _Tp >, std::chrono::__is_duration< duration< _Rep, _Period > >, std::chrono::__is_ratio< _Tp >, std::chrono::__is_ratio< ratio< _Num, _Den > >, std::is_array< typename >, std::is_array< _Tp[]>, std::is_array< _Tp[_Size]>, std::is_bind_expression< _Tp >, std::is_bind_expression< _Bind< _Signature > >, std::is_bind_expression< _Bind_result< _Result, _Signature > >, std::is_bind_expression< const _Bind< _Signature > >, std::is_bind_expression< const _Bind_result< _Result, _Signature > >, std::is_bind_expression< const volatile _Bind< _Signature > >, std::is_bind_expression< const volatile _Bind_result< _Result, _Signature > >, std::is_bind_expression< volatile _Bind< _Signature > >, std::is_bind_expression< volatile _Bind_result< _Result, _Signature > >, std::is_const< typename >, std::is_const< _Tp const >, std::is_error_code_enum< _Tp >, std::is_error_code_enum< future_errc >, std::is_error_condition_enum< _Tp >, std::is_error_condition_enum< errc >, std::is_function< typename >, std::is_function< _Res(_ArgTypes...) const >, std::is_function< _Res(_ArgTypes...) const volatile >, std::is_function< _Res(_ArgTypes...) volatile >, std::is_function< _Res(_ArgTypes...)>, std::is_function< _Res(_ArgTypes......) const >, std::is_function< _Res(_ArgTypes......) const volatile >, std::is_function< _Res(_ArgTypes......) volatile >, std::is_function< _Res(_ArgTypes......)>, std::is_lvalue_reference< typename >, std::is_lvalue_reference< _Tp & >, std::is_object< _Tp >, std::is_rvalue_reference< typename >, std::is_rvalue_reference< _Tp && >, std::is_same< typename, typename >, std::is_same< _Tp, _Tp >, std::is_volatile< typename >, std::is_volatile< _Tp volatile >, std::uses_allocator< priority_queue< _Tp, _Sequence, _Compare >, _Alloc >, std::uses_allocator< queue< _Tp, _Seq >, _Alloc >, std::uses_allocator< stack< _Tp, _Seq >, _Alloc >, and std::uses_allocator< tuple< _Types...>, _Alloc >. Public Types typedef integral_constant< _Tp, __v > type" typedef _Tp value_type Public Member Functions constexpr operator value_type () Static Public Attributes static constexpr _Tp value Detailed Description template<typename _Tp, _Tp __v>struct std::integral_constant< _Tp, __v > integral_constant Definition at line 57 of file type_traits. Author Generated automatically by Doxygen for libstdc++ from the source code. libstdc++ Tue Jun 10 2014 std::integral_constant< _Tp, __v >(3)