c++ - What's the difference between span and array_view in the gsl library? -


in several recent conference presentation i've heard bjarne stroustrup , others mention new coding guidelines c++ , types supporting them.

specifically, remember the example of span<t> instead of (t* p, int n) parameter function (at time 32:00 talk); remember suggestion use array_view<t>. 2 alternatives same concept? or confusing things , they're not related?

i can't seem find authoritative definition of they're both supposed about.

we talked people in library working group in standards committee. wanted array_view trying standard read only. core guidelines, needed abstraction read , write. avoid clash between (potential) standards , guidelines support library (gsl), renamed our (read , write) array_view span: https://github.com/microsoft/gsl .


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