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libstdc++: Export std::dextents from std.cc.in [PR121174]

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r16-442 implemented both std::extents and std::dextents (and perhaps other
stuff), but exported only std::extents.
I went through https://eel.is/c++draft/mdspan.syn and I think std::dextents
is the only one implemented but not exported.

The following patch exports it, and additionally appends some further
entities to the FIXME list, those all seems to be unimplemented yet.

2025-07-20  Jakub Jelinek  <jakub@redhat.com>

	PR libstdc++/121174
	* src/c++23/std.cc.in (std::dextents): Export.  Add to FIXME comments
	other not yet implemented nor exported <mdspan> entities.
This commit is contained in:
Jakub Jelinek
2025-07-20 08:12:57 +02:00
committed by Jakub Jelinek
parent 9de2fbf46c
commit 7083aeaef5
1 changed files with 4 additions and 1 deletions
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5
libstdc++-v3/src/c++23/std.cc.in
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@ -1850,12 +1850,15 @@ export namespace std
export namespace std
{
using std::extents;
using std::dextents;
using std::layout_left;
using std::layout_right;
using std::layout_stride;
using std::default_accessor;
using std::mdspan;
// FIXME layout_left_padded, layout_right_padded, aligned_accessor, mdsubspan
// FIXME layout_left_padded, layout_right_padded, aligned_accessor,
// strided_slice, submdspan_mapping_result, full_extent_t, full_extent,
// submdspan_extents, mdsubspan
}
#endif