diff options
Diffstat (limited to 'libstdc++-v3/include/bits/utility.h')
| -rw-r--r-- | libstdc++-v3/include/bits/utility.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/libstdc++-v3/include/bits/utility.h b/libstdc++-v3/include/bits/utility.h index 4e57465..96ac698 100644 --- a/libstdc++-v3/include/bits/utility.h +++ b/libstdc++-v3/include/bits/utility.h @@ -172,6 +172,22 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION using index_sequence_for = make_index_sequence<sizeof...(_Types)>; #endif // __glibcxx_integer_sequence +#if __cpp_structured_bindings >= 202411L +#if __has_builtin(__integer_pack) + template <auto _Num, typename _Tp = decltype(_Num)> + inline constexpr _Tp + _IotaArray[_Num] = {__integer_pack(_Tp(_Num))...}; +#elif defined __glibcxx_integer_sequence + template <auto _Num, typename _Tp = decltype(_Num), typename = make_integer_sequence<_Tp, _Num>> + inline constexpr _Tp + _IotaArray[_Num]; + + template <auto _Num, typename _Tp, _Tp... _Is> + inline constexpr _Tp + _IotaArray<_Num, _Tp, integer_sequence<_Tp, _Is...>>[_Num] = {_Is...}; +#endif // __integer_pack +#endif // __cpp_structured_bindings >= 202411L + #if __cplusplus >= 201703L struct in_place_t { |