#include "poly.h" Poly::Poly() { } int Poly::Length() { return walls.listLength(); } void Poly::Insert(int index, Line& wall) { walls.listInsert(index, wall); } Line Poly::Retrieve(int index) { Line l; walls.listRetrieve(index, l); return l; } void Poly::Remove(int index) { walls.listDelete(index); }