Rework our mdspan
implementation
#3343
Draft
+15,810
−10,757
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This completely rewrites our mdspan implementation.
It drop a lot of the old workarounds and follows the recent standard changes.
This is especially prominent for
submdspan
which has been reworked a ton during standardizationThis did not yet implement the padded layouts which have been merged recently
I started using C++17 exclusively which hase been soo awesome