On Fri, 25 Jul 2025, 17:41 Nathan Myers, <n...@cantrip.org> wrote:
> Changed in v3:
> * Rely on std/bitset's string_view ctor for bounds checking.
>
> This adds the new bitset constructor from string_view
> defined in P2697 to the debug version of the type.
>
> libstdc++-v3/Changelog:
> PR libstdc++/119742
> * include/debug/bitset: Add new ctor.
>
OK for trunk, thanks
---
> libstdc++-v3/include/debug/bitset | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/libstdc++-v3/include/debug/bitset
> b/libstdc++-v3/include/debug/bitset
> index ad9b7b5c4b0..e4d3e6619c9 100644
> --- a/libstdc++-v3/include/debug/bitset
> +++ b/libstdc++-v3/include/debug/bitset
> @@ -164,6 +164,17 @@ namespace __debug
> _CharT __zero, _CharT __one = _CharT('1'))
> : _Base(__str, __pos, __n, __zero, __one) { }
>
> +#ifdef __cpp_lib_bitset // ... from string_view
> + template<class _CharT, class _Traits>
> + constexpr explicit
> + bitset(std::basic_string_view<_CharT, _Traits> __s,
> + std::basic_string_view<_CharT, _Traits>::size_type __position =
> 0,
> + std::basic_string_view<_CharT, _Traits>::size_type __n =
> + std::basic_string_view<_CharT, _Traits>::npos,
> + _CharT __zero = _CharT('0'), _CharT __one = _CharT('1'))
> + : _Base(__s, __position, __n, __zero, __one) { }
> +#endif
> +
> _GLIBCXX23_CONSTEXPR
> bitset(const _Base& __x) : _Base(__x) { }
>
> --
> 2.50.0
>
>
