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Pull triviality type traits into internal type_traits header

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This commit is contained in:
Christian Mazakas 2023-09-28 21:12:04 -07:00
parent a0e1bc295a
commit 47fa9cd17e
2 changed files with 42 additions and 22 deletions
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25
include/boost/unordered/detail/foa/core.hpp
View File

@ -1044,13 +1044,7 @@ struct table_arrays
arrays.groups(),groups_size,
std::integral_constant<
bool,
#if BOOST_WORKAROUND(BOOST_LIBSTDCXX_VERSION,<50000)
/* std::is_trivially_default_constructible not provided */
std::is_default_constructible<group_type>::value&&
std::has_trivial_default_constructor<group_type>::value
#else
std::is_trivially_default_constructible<group_type>::value
#endif
is_trivially_default_constructible<group_type>::value
>{});
arrays.groups()[groups_size-1].set_sentinel();
}
@ -2024,14 +2018,7 @@ private:
x,
std::integral_constant<
bool,
#if BOOST_WORKAROUND(BOOST_LIBSTDCXX_VERSION,<50000)
/* std::is_trivially_copy_constructible not provided */
std::is_copy_constructible<element_type>::value&&
std::has_trivial_copy_constructor<element_type>::value
#else
std::is_trivially_copy_constructible<element_type>::value
#endif
&&(
is_trivially_copy_constructible<element_type>::value&&(
is_std_allocator<Allocator>::value||
!alloc_has_construct<Allocator,value_type*,const value_type&>::value)
>{}
@ -2074,13 +2061,7 @@ private:
void copy_groups_array_from(const table_core& x) {
copy_groups_array_from(x, std::integral_constant<bool,
#if BOOST_WORKAROUND(BOOST_LIBSTDCXX_VERSION,<50000)
/* std::is_trivially_copy_assignable not provided */
std::is_copy_assignable<group_type>::value&&
std::has_trivial_copy_assign<group_type>::value
#else
std::is_trivially_copy_assignable<group_type>::value
#endif
is_trivially_copy_assignable<group_type>::value
>{}
);
}

39
include/boost/unordered/detail/type_traits.hpp
View File

@ -11,6 +11,8 @@
#pragma once
#endif
#include <boost/config/workaround.hpp>
#if !defined(BOOST_NO_CXX17_DEDUCTION_GUIDES)
#include <iterator>
#endif
@ -46,6 +48,43 @@ namespace boost {
template <typename... Ts> using void_t = typename make_void<Ts...>::type;
#if BOOST_WORKAROUND(BOOST_LIBSTDCXX_VERSION, < 50000)
/* std::is_trivially_default_constructible not provided */
template <class T> struct is_trivially_default_constructible
{
constexpr static const bool value =
std::is_default_constructible<T>::value &&
std::has_trivial_default_constructor<T>::value;
};
#else
using std::is_trivially_default_constructible;
#endif
#if BOOST_WORKAROUND(BOOST_LIBSTDCXX_VERSION, < 50000)
/* std::is_trivially_copy_constructible not provided */
template <class T> struct is_trivially_copy_constructible
{
constexpr static bool const value =
std::is_copy_constructible<T>::value &&
std::has_trivial_copy_constructor<T>::value;
};
#else
using std::is_trivially_copy_constructible;
#endif
#if BOOST_WORKAROUND(BOOST_LIBSTDCXX_VERSION, < 50000)
/* std::is_trivially_copy_assignable not provided */
template <class T> struct is_trivially_copy_assignable
{
constexpr static bool const value =
std::is_copy_assignable<T>::value &&
std::has_trivial_copy_assign<T>::value;
};
#else
using std::is_trivially_copy_assignable;
#endif
namespace type_traits_detail {
using std::swap;