On 8/7/09, Romain Francois <romain.franc...@dbmail.com> wrote:
> On 08/04/2009 10:02 PM, Deepayan Sarkar wrote:
>
> > On Tue, Aug 4, 2009 at 11:37 AM, Vitalie S.<vitosm...@rambler.ru> wrote:
> >
> > > Dear UseRs,
> > >
> > > I declared a `$` method for a S4 class. Can I have ab automatic
> completion
> > > for this operator in R? Lists and environment objects provide this
> feature
> > > by default, but my object is an extension of "function" class which does
> not
> > > have subseting defined. How to be?
> > >
> >
> > Completion should be automatic if you define names() to return the valid
> names.
> >
> > -Deepayan
> >
>
> Hi,
>
> Shouldn't this be delegated to a custom method. ie :
>
> complete <- function( x, ... ){
> UseMethod( "complete" )
> }
> complete.default <- function( x, ... ){
> names( x )
> }
>
> or maybe the equivalent S4 incantation.
>
> This would separate the completion from the names, and therefore give more
> flexibility to class writers.
Ideally yes (although "complete" doesn't seem the best choice; this is
only for $ completion). It's an easy enough change, and I'll be happy
to make it if there's interest (and a use case where names() has good
reason to be different).
-Deepayan
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