[Rcpp-devel] Odd-seeming behaviour of [[ and $

[North, Ben]

Hi Romain,

> > Because `$` doesn't evaluate its field-name argument, is
> >
> >      field.name <- "value"
> >      do.call(`$`, list(x, field.name))
> >
> > the recommended way of accessing methods whose names are computed at
> > run-time?  It does work; just wondering if there's a better way.
>
> I don't have anything else for you.

OK, thanks; as I say, what I have works fine.

> At this stage, I would however ask myself "do I __really__ need this at
> runtime ?"

Good question :)  I /think/ it's the best way of doing what I want, but
I agree it does seem a bit clunky.

Thanks for your help.

Ben.


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