#ifndef CONTOURPY_OUTER_OR_HOLE_H #define CONTOURPY_OUTER_OR_HOLE_H #include <iosfwd> namespace contourpy { typedef enum { Outer, Hole } OuterOrHole; std::ostream &operator<<(std::ostream &os, const OuterOrHole& outer_or_hole); } // namespace contourpy #endif // CONTOURPY_OUTER_OR_HOLE_H