Why does this work?

[Terry Reedy]

"Phlip" <phlip_cpp at yahoo.com> wrote in message
news:a7skr8$au5 at dispatch.concentric.net...
...
> And we wrap all data members in get/set pairs, so the above would
have been:
>
>         x.setTiles([])

'we'?  The wisdom/folly of using get/set pairs is a matter of
continuing dispute.  Some of us find the extra work and inefficiency
distastful.

Terry J. Reedy