ZTable*         O_OBJECT
TriangleMesh*         O_OBJECT
Point*         O_OBJECT
Line*           O_OBJECT
Polyline*       O_OBJECT
Polygon*        O_OBJECT
ExPolygon*      O_OBJECT
ExPolygonCollection*    O_OBJECT
ExtrusionPath*  O_OBJECT
ExtrusionLoop*  O_OBJECT
Surface*        O_OBJECT
SurfaceCollection*      O_OBJECT

ExtrusionRole     T_UV
SurfaceType     T_UV

Lines           T_LINES

INPUT

OUTPUT

T_LINES
	AV* av = newAV();
	$arg = newRV_noinc((SV*)av);
	const unsigned int len = $var.size();
	av_extend(av, len-1);
	for (unsigned int i = 0; i < len; i++) {
	  av_store(av, i, ${var}[i].to_SV_ref());
	}