In a nutshell, the use of ellipses in functions like dolfin_error mean
that we cannot overload the function, e.g. it doesn't appear possible to
do:
void dolfin_error(std::string location,
std::string task,
std::string reason, ...);
void dolfin_error(MPI_Comm mpi_comm,
std::string location,
std::string task,
std::string reason, ...);
This works, what I'm missing?
-----------------------------
#include <string>
#include <iostream>
#include "mpi.h"
void dolfin_error(std::string location,
std::string task,
std::string reason, ...) {
std::cout << "1" << std::endl;
};
void dolfin_error(MPI_Comm mpi_comm,
std::string location,
std::string task,
std::string reason, ...) {
std::cout << "2" << std::endl;
};
int main(void) {
std::string a, b, c;
int d = 1;
dolfin_error(a, b, c);
dolfin_error(a, b, c, d);
dolfin_error(MPI_COMM_WORLD, a, b, c);
dolfin_error(MPI_COMM_WORLD, a, b, c, d);
return 0;
}
-----------------------------
Marco
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