On Wed, Jan 6, 2016 at 9:27 PM, Brian Smith <br...@briansmith.org> wrote: > Henri Sivonen <hsivo...@hsivonen.fi> wrote: >> >> On Thu, Oct 1, 2015 at 9:58 PM, Jonathan Watt <jw...@jwatt.org> wrote: >> > For those who are interested in this, there's a bug to consider >> > integrating >> > the Guidelines Support Library (GSL) into the tree: >> > >> > https://bugzilla.mozilla.org/show_bug.cgi?id=1208262 >> >> This bug appears to have stalled. >> >> What should my expectations be regarding getting an equivalent of (at >> least single-dimensional) GSL span<T> (formerly array_view<T>; >> conceptually Rust's slice) into MFBT? >> >> > On 30/09/2015 22:00, Botond Ballo wrote: >> >> The document is a work in progress, still incomplete in many places. >> >> The initial authors are Bjarne Stroustrup and Herb Sutter, two members >> >> of the C++ Standards Committee, and they welcome contributions via >> >> GitHub to help complete and improve it. >> >> In their keynotes, a template called array_buffer was mentioned. What >> happened to it? array_buffer<T> was supposed to be array_view<T> >> (since renamed to span<T>) plus an additional size_t communicating >> current position in the buffer. Surprisingly, Core Guidelines has an >> example of reading up to n items into span but the example doesn't >> show how the function would signal how many bytes between 0 and n it >> actually read, so the Guidelines themselves don't seem to give a >> proper answer to signaling how many items of a span a function read or >> wrote. > > > This functionality already exists--in a safer form than the Core C++ > form--in Gecko: mozilla::pkix::Input and mozilla::pkix::Reader.
I admit I'm not familiar with the nuances of either GSL span or mozilla::pkix::Input. What makes the latter safer? mozilla::pkix::Input seems to be read-only. I'm looking for both read-only and writable spans. -- Henri Sivonen hsivo...@hsivonen.fi https://hsivonen.fi/ _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
