void main(){twoints * data;union_type my_union;data=NULL;data=new twoints;data->a=1;data->b=2;delete data;my_union.a=data;{twoints * data=my_union.b;printStructLine(data);}}
static void main(){twoints * data;union_type my_union;data=NULL;data=new twoints;data->a=1;data->b=2;my_union.a=data;{twoints * data=my_union.b;printStructLine(data);}}