ORNL / ORNL/cpp-proposals-pub

layout_stride mappings should be convertible from those in layout_left and layout_right

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@crtrott is already working on this.

Since Aug 5, 2019.

subject - mdspan (P0009)
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Description

If you look at layout_stride as a polymorphic wrapper that type-erases all kinds of strided layouts (including layout_left and layout_right), then the converting constructor should enable this erasure.

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