[Rcpp-devel] Rcpp::List::create(...) with more than 20 elements ?

[Dominique Belhachemi]

Thanks Romain and Dirk,

I just implemented those alternatives and it is working now.

-Dominique


On Wed, Apr 17, 2013 at 10:11 AM, Dirk Eddelbuettel <edd at debian.org> wrote:

>
> On 17 April 2013 at 09:54, Dominique Belhachemi wrote:
> | Hi everyone,
> |
> | I am porting some code from the old API to the new API like in the
> following
> | example.
> |
> | -      SEXP ret = R_NilValue;
> | -      RcppResultSet rs;
> | -      rs.add("foo1", bar1);
> | -      rs.add("foo2", bar2);
> | -      ret = rs.getReturnList();
> |
> | +     SEXP ret = R_NilValue;
> | +     ret = Rcpp::List::create(Rcpp::Named("foo1")  = bar1
> | +
> | Rcpp::Named("foo2")  = bar2);
> |
> | This works well if I have less than 20 elements.
>
> There is a limit to the auto-generated constructors.  This has been
> discussed
> a few times before on the list -- try the gmane.org archive (which you can
> use as an argument to site: to focus google queries).
>
> | But how can I add new elements to the list, including assigning names ?
> | Is there an alternative way to create the list without using
> Rcpp::List::create
> | ?
>
> Recurse:
>
>           stick 20 elements into list 1,
>           stick another 20 into list 2,
>           ....
>           stick list 1, list 2, ...  into bigList
>           return bigList
>
> Dirk
>
> --
> Dirk Eddelbuettel | edd at debian.org | http://dirk.eddelbuettel.com
>
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