[Rd] Autocompletion for the new S3 generic @ method?

[Deepayan Sarkar]

This should be enabled now in R-devel and R 4.3.0 by writing
.AtNames() methods.

findMatches() is also exported now; this is basically grep(), but will
do fuzzy matching if it's activated.

Best,
-Deepayan

On Mon, Apr 3, 2023 at 9:37 AM Deepayan Sarkar
<deepayan.sarkar using gmail.com> wrote:
>
> Thanks, we are discussing the details, but we will definitely add
> something along those lines before 4.3.0 is released.
>
> Best,
> -Deepayan
>
> On Sun, Apr 2, 2023 at 6:39 PM Tomasz Kalinowski <kalinowskit using gmail.com> wrote:
> >
> > I agree, this is a good idea and would be very helpful in interactive contexts.
> >
> > I have a draft patch implementing this feature here: https://github.com/r-devel/r-svn/pull/122
> > (Append  “.patch” to the URL to get a raw patch.)
> >
> > Regards,
> > Tomasz
> >
> > > On Mar 31, 2023, at 2:11 PM, Karolis K <karolis.koncevicius using gmail.com> wrote:
> > >
> > > Hello,
> > >
> > > In the current R-devel @ is S3 generic, so we can do things like - for example - use it to extract matrix rows by name:
> > >
> > >    .S3method("@", "mm", function(object, name) object[name,])
> > >    m <- structure(matrix(rnorm(20), ncol=2), dimnames=list(paste0("row", 1:10), paste("col", 1:2)), class="mm")
> > >
> > >    m using row1
> > >
> > > However, seems like currently it does not support autocompletion.
> > >
> > > Wouldn’t it make sense to add a method like .EtaNames() which would provide tab autocompletions for x@<tab> in the same way current .DollarNames() does for x$<tab>?
> > >
> > > Regards,
> > > Karolis K.
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