[Rcpp-devel] Good idioms for creating a named list?
edd at debian.org
Tue Mar 16 12:26:27 CET 2010
On 16 March 2010 at 11:49, Romain Francois wrote:
| I have now commited make_list as a set of templates taking variable
| number of arguments and creating named generic vectors. There is again
| some code bloat involved and it handles up to 20 arguments. (this is not
| painful to make it 50 or 100, but I think 20 is good enough for now).
| For example (see more of this in the runit.make.list.R file):
| fx <- cfunction(signature(),'
| return make_list(
| Named("a") = 1 ,
| Named("b") = 2 ,
| Named("c") = "foobar",
| Named("d") = 4.0 ) ;
| Rcpp = TRUE, includes = "using namespace Rcpp; " )
Very nice. Very useful. And once more Very ugly use of _ --- I would have
called it makeList but heck you code it you get to name it :)
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