SinPoli.cpp

void drawShapes(std::list<Shape*> shapes)
{
    std::list<Shape*>::iterator pShape = shapes.begin();
	std::list<Shape*>::iterator pEnd = shapes.end();
	for ( ; pShape != pEnd; ++pShape)
	{
		switch (pShape->mType)
		{
			case CIRCLE:
			// draw shape as a circle
			break;
			case RECTANGLE:
			// draw shape as a rectangle
			break;
			case TRIANGLE:
			// draw shape as a triangle
			break;
			//...
		}
	}
}