本文整理汇总了C++中XList::clearList方法的典型用法代码示例。如果您正苦于以下问题:C++ XList::clearList方法的具体用法?C++ XList::clearList怎么用?C++ XList::clearList使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类XList
的用法示例。
在下文中一共展示了XList::clearList方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: task3
// this function is what is required by task #3 here: https://sites.google.com/site/kostovoop/tasks
// Составить и отладить программу:
// - создать некий XList фигур, наполнить его случайным образом конкретными фигурами всех типов;
// - вывести в std::cout общее кол-во фигур с помощью Shape::GetCount();
// - напечатать в std::cout сведения обо всех фигурах, находящихся в списке;
// - очистить память;
// - вывести в std::cout общее кол-во фигур с помощью Shape::GetCount() – удостовериться, что там 0;
// - завершить работу программы.
void task3()
{
XList<Shape> shapesList;
// pt, circle, rect, square, polyline
Point * pt = new Point("a point", 10, 100); // 1
Circle * circle = new Circle("a circle", 30, Point("circle center", 10, 20)); // 2
Rect * rect = new Rect("a rect", 10, -30, 10, -100); // 2
Square * square = new Square("a square", 40, 20, 10); // 2
Polyline * line = new Polyline("line"); // 1
Point * pt1 = new Point("", 10, 20);
Point * pt2 = new Point("", 20, 20);
Point * pt3 = new Point("", 20, 40);
Point * pt4 = new Point("", 10, 40);
line->AddPoint(*pt1);
line->AddPoint(*pt2);
line->AddPoint(*pt3);
line->AddPoint(*pt4);
shapesList.pushBack(pt);
shapesList.pushBack(circle);
shapesList.pushBack(rect);
shapesList.pushBack(square);
shapesList.pushBack(line);
std::cout << "Total number of shapes is: " << Shape::getCount() << std::endl;
assert(Shape::getCount() == 16); // 5 figures in list and their copies, 4 points in the polyline, rect's origin, square's origin, circle's center
XList<Shape>::Iterator it = shapesList.begin();
int l = shapesList.numberOfElements() + 1;
while(--l > 0){
Shape * shape = it.currentItem();
std::cout << *shape << std::endl;
it.next();
}
shapesList.clearList();
// freeing memory
delete pt;
delete circle;
delete square;
delete rect;
delete line;
delete pt1;
delete pt2;
delete pt3;
delete pt4;
std::cout << "Total number of shapes is now: " << Shape::getCount() << std::endl;
assert(Shape::getCount() == 0);
}