fprintf(stderr,"==== Traverse the empty dynar\n");
TRYFAIL(gras_dynar_new(&d,sizeof(int),NULL));
gras_dynar_foreach(d,cursor,cpt){
fprintf(stderr,"==== Traverse the empty dynar\n");
TRYFAIL(gras_dynar_new(&d,sizeof(int),NULL));
gras_dynar_foreach(d,cursor,cpt){