On Wed, 17 Aug 2022, 16:20 Richard Earnshaw via Gcc, <gcc@gcc.gnu.org>
wrote:

>
>
> On 17/08/2022 12:42, Aaron Gray via Gcc wrote:
> > Hi,
> >
> > I am looking for the original ConceptGCC source code, the
> > https://www.generic-programming.org/software/ConceptGCC/download.html
> has
> > all broken links and the SVN is gone.
> >
> > Is this available on GCC git or SVN ?
> >
> > Also I am wondering if the original concepts-lite code is available too
> > anywhere please ?
> >
> > Also any pointers to the documentation for the current implementation ?
> >
> > Regards,
> >
> > Aaron
>
> Not withstanding what others have already said, the various concepts
> branches are still in the git repository, but aren't in the standard
> pull set.  You can use git fetch to explicitly pull them:
>
> d743a72b52bcfaa1effd7fabe542c05a30609614
> refs/dead/heads/c++-concepts




This is "concepts lite".


780065c813a72664bd46a354a2d26087464c74fc
> refs/dead/heads/conceptgcc-branch




I think this was Doug Gregor's work, but I don't know how much of
ConceptGCC is present on the branch.


ce85971fd96e12d0d6675ecbc46c9a1884df766c
> refs/dead/heads/cxx0x-concepts-branch
> 14d4dad929a01ff7179350f0251af752c3125d74



This is described at https://gcc.gnu.org/git.html as:

"This branch contains the beginnings of a re-implementation of Concepts, a
likely future feature of C++, using some of the code from the prototype
implementation on conceptgcc-branch. It is not currently maintained."

I don't know who did this work, check the git history.

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