P1394 Range constructor for std::span

[jensmaurer]

P1394R0 Range constructor for std::span (Corentin Jabot, Casey Carter)

[tituswinters]

LEWG in Kona:
We want span constructible from rvalue of vector.
SF F N A SA
0 6 9 2 0

We want span constructible from rvalue of vector.
SF F N A SA
11 6 2 0 0

We like the direction of span accepting ContiguousRange instead of its (weird) converting constructors.
SF F N A SA
13 5 0 0 0

Modify and come back this week for C++20.
Unanimous consent

[tituswinters]

Forward D1394R1 to LWG for C++20.
Unanimous consent

[wg21bot]

P1394R1 Range constructor for std::span (Corentin Jabot, Casey Carter)

Reviewed in June 7 teleconference.

[mclow]

This paper depends on P1474

The following wording assumes std::to_address will be specialized for ContiguousIterator as
proposed in [P1474].

[wg21bot]

P1394R2 Range constructor for std::span (Corentin Jabot, Casey Carter)

[mclow]

Updated paper: D1394R3

[wg21bot]

P1394R3 Range constructor for std::span (Corentin Jabot, Casey Carter)