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#include <vector>
#include <CGAL/iterator.h>
#include <variant>
#include <optional>
int main()
{
std::vector<int> a;
std::vector<double> b;
std::vector<char> c;
typedef CGAL::Dispatch_output_iterator<
std::tuple<int, double, char>,
std::tuple<std::back_insert_iterator< std::vector<int> >,
std::back_insert_iterator< std::vector<double> >,
std::back_insert_iterator< std::vector<char> >
> > Dispatch;
Dispatch disp = CGAL::dispatch_output<int, double, char>(
std::back_inserter(a),
std::back_inserter(b),
std::back_inserter(c));
typedef std::variant<int, double, char> var;
var va = 23; var vb = 4.2; var vc = 'x';
// goes to a
*disp++ = va;
// goes to b
*disp++ = vb;
// goes to c
*disp++ = vc;
// goes to a
*disp++ = 42;
return 0;
}
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