Not sure what you mean by hide the R function. You can extract a function by 
its name on the C++ side : 

Function bazinga("mean") ;

or extract it from a particular environment, e.g.

Environment("package:base")["mean"]

or 

Environment base("package:base") ; 
Function foo = base["mean"]

Romain

Le 5 août 2014 à 09:26, super <[email protected]> a écrit :

> Hello Rcppusers,
>   I want to call  a  r function in Cpp code, e.g.
>  int  meanC( NumericVector x) {
>     return mean(x,_["na.rm"]=TRUE);
> }
> Here function mean is a r function not rewrittened  Rcpp version's mean. I do 
> know one way to do this:
>  int  meanC( Function f,NumericVector x) {
>     return f(x,_["na.rm"]=TRUE);
> }
> Then  meanC(mean,1:3)
> but can i hidden the true r function called ?  Is  r functions packed into 
> some namespace?
> 
> 
> 
> 
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