[swift-dev] SR-122 / CollectionsMoveIndices.swift Prototype

[Dave Abrahams]

on Sun Apr 10 2016, Austin Zheng <austinzheng-AT-gmail.com> wrote:

> I'm really sorry for dropping the ball and disappearing off the list. I'd like
> to help out if I can. I'll check out the current branch tomorrow and see what
> the status of the work is, but let me know if everything is done already/there's
> something in particular that should be worked on.

Dmitri may have other ideas, but one thing we haven't done is to take
advantage of the new model by removing references from indices.  I'd
like to prove that the new model does what it's supposed to.  You might
try simplifying the indices for Set and Dictionary.  It should be
possible to represent them as a wrapper around an Int.

>
>
> Austin
>
> On Mon, Mar 21, 2016 at 11:39 AM, Shawn Erickson <shawnce at gmail.com> wrote:
>
>     Anything I can help with on this effort? It looks like things are moving
>     along among the Apple folks. Not sure how to jump in without stepping on in
>     flight work, etc.
>
>     On Tue, Mar 15, 2016 at 1:39 AM Dmitri Gribenko <gribozavr at gmail.com> wrote:
>
>     On Mon, Mar 14, 2016 at 7:59 PM, Shawn Erickson <shawnce at gmail.com> wrote:
>         >
>         >
>         > On Thu, Mar 10, 2016 at 10:49 PM Dmitri Gribenko <gribozavr at gmail.com>
>         > wrote:
>         >>
>         >> Hi everyone,
>         >>
>         >> I just wanted to announce that we have sufficient change on the
>         >> swift-3-indexing-model branch so that we can build the core standard
>         >> library and StdlibUnittest. We achieved this by putting the protocol
>         >> new structure into place, and stubbing out with fatalError() or just
>         >> commenting out parts that didn't compile. Now we have a baseline that
>         >> we won't regress, and we are starting to work towards improving it,
>         >> making existing tests pass, and then writing new tests, and
>         addressing
>         >> TODOs and FIXMEs that we left in the code as we were doing the first
>         >> pass.
>         >>
>         >> Here's the most recent pull request from Shawn where he starts to fix
>         >> the tests: https://github.com/apple/swift/pull/1632
>         >>
>         >> Now we are in the "massively-parallel" stage of this project and we,
>         >> as always, welcome contributions to this branch!
>         >
>         >
>         > FYI
>         >
>         > I am working on the following:
>         >
>         > FAIL: Swift :: 1_stdlib/StringDiagnostics.swift
>         > FAIL: Swift :: 1_stdlib/StringDiagnostics_without_Foundation.swift
>         > ...and looking at converting String.XxxxIndexes to the new index style
>         while
>         > maintaining existing public API.
>
>         There doesn't seem to be many tests actively failing in the primary
>         testsuite, so I'll be working on making StdlibCollectionUnittest
>         compile, which will allow us to run the validation testsuite.
>
>         Dmitri
>
>         --
>         main(i,j){for(i=2;;i++){for(j=2;j<i;j++){if(!(i%j)){j=0;break;}}if
>         (j){printf("%d\n",i);}}} /*Dmitri Gribenko <gribozavr at gmail.com>*/
>

-- 
Dave