[09/23] Add a cut-down version of std::span (array_slice)

Jeff Law law@redhat.com
Mon Nov 30 19:56:16 GMT 2020

On 11/13/20 1:15 AM, Richard Sandiford via Gcc-patches wrote:
> A later patch wants to be able to pass around subarray views of an
> existing array.  The standard class to do that is std::span, but it's
> a C++20 thing.  This patch just adds a cut-down version of it.
> The intention is just to provide what's currently needed.
> gcc/
> 	* vec.h (array_slice): New class.
OK.  Obviously we can add more capabilities as we need them.


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