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knapply/foundational_programming-built_in-size.cpp

Last active November 6, 2018 18:56
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Cpp: length built-in
Raw
foundational_programming-built_in-size.cpp
#include <Rcpp.h>
using namespace Rcpp;
// [[Rcpp::export]]
int cpp_size(NumericVector x) {
return x.size();
}
/*** R
cpp_size(1:20)
#> [1] 20
*/
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