The Guidelines should specify the GSL

[AndrewPardoe]

Currently Microsoft is providing one implementation that is, to the best of our knowledge, completely portable, ISO-standard C++. It is under MIT license. We plan to improve the documentation and eventually provide a proper specification as part of the guidelines.

[ajneu]

Hi there,

after having seen Stroustrup's talk, I want to try the GSL.
But I cannot. I cannot find developer-friendly details (i.e. tutorial) about it.

A tutorial-based intro to the GSL (common usage examples and use-cases) would be great.

A side-question:
How is it possible that there are already implementations of the GSL?
According to which spec are these people developing? (Alas, not even they provide a tutorial, currently).

I've seen the quickly hacked up FAQ (1, 2), but it's rather vague.
It says "Other implementations by other vendors are encouraged, as are forks of and contributions to that implementation".
How can other implementations be created, if there's no spec and no details?
If you ask me, it looks like mainly aforementioned people and some high-profile friends are driving this forward... which is fine... though it does seem possibly risky to present this stuff at CppCon2015, if your interested "Joe-Excited-C++-Developer", finds it "non-existant", due to a missing good tutorial; the enthusiasm waining a little... Don't underestimate it: if you want something to kick off... give people a tutorial. (This is as true of old K&R, as it can be with modern C++ with STL and GSL-usage: I'm looking forward to it.)

PS: I've just seen this. I hope to see videos of Neil MacIntosh's talks soon!

[neilmacintosh]

Thanks! They should show up on the CppCon channel in the next few weeks. I'm not exactly sure when.

I think it's a very reasonable expectation to have some tutorial documentation for the GSL in addition to the specification.

[danilaml]

GSL really lacks some basic documentation. There isn't even class listing with their purpose and available constructors...

[martinmoene]

Indeed, although clearly a work in progress, a little more help (specification) would be very welcome.

For GSL Lite, I created this not-entirely-up-to-date feature table and this test specification

[BjarneStroustrup]

We have not forgotten. We are still working on a standards-style specification.

[neilmacintosh]

Just as an update while other specifications are outstanding...two of the types defined in the GSL (byte and span) have specifications that are currently working their way through the process of the standards committee aiming towards inclusion in C++20. span is here and byte is here.

[BjarneStroustrup]

Looks good

On 8/9/2016 2:46 PM, Neil MacIntosh wrote:

Just as an update while other specifications are outstanding...two of
the types defined in the GSL (|byte| and |span|) have specifications
that are currently working their way through the process of the
standards committee aiming towards inclusion in C++20. |span| is here
http://open-std.org/JTC1/SC22/WG21/docs/papers/2016/p0122r3.pdf and
|byte| is here
http://open-std.org/JTC1/SC22/WG21/docs/papers/2016/p0298r1.pdf.

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