I am sending this again, cause when I forward to rcpp-devel, the gmail put the previous message first.
Not expect to fix the problem this easy. I just get a chance to look into the "Module_generated_method.h" code and Romain left a "const char *" before the valid method. So here below is the fix. RCPP_MODULE(mod){ using namespace Rcpp; class_<Randomizer>( "Randomizer" ) .default_constructor() .method( "get" , ( NumericVector (Randomizer::*)(int) )(&Randomizer::get) , "Randomizer", &get_int_valid) .method( "get" , ( List (Randomizer::*)(IntegerVector) )(&Randomizer::get) ) ; } Thanks.
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