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#pragma once
#include <stddef.h> // for size_t
#include <initializer_list> // for initializer_list
#include "cpp11/R.hpp" // for SEXP, SEXPREC, literals
#include "cpp11/as.hpp" // for as_sexp
#include "cpp11/sexp.hpp" // for sexp
namespace cpp11 {
class named_arg {
public:
explicit named_arg(const char* name) : name_(name), value_(R_NilValue) {}
named_arg& operator=(std::initializer_list<int> il) {
value_ = as_sexp(il);
return *this;
}
template <typename T>
named_arg& operator=(T rhs) {
value_ = as_sexp(rhs);
return *this;
}
template <typename T>
named_arg& operator=(std::initializer_list<T> rhs) {
value_ = as_sexp(rhs);
return *this;
}
const char* name() const { return name_; }
SEXP value() const { return value_; }
private:
const char* name_;
sexp value_;
};
namespace literals {
inline named_arg operator""_nm(const char* name, std::size_t) { return named_arg(name); }
} // namespace literals
using namespace literals;
} // namespace cpp11
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