public CopiableStackEnumerator(CopiableStack stack)
{
current = new Node <char>
{
Next = stack._first,
};
}
public static CopiableStack Copy(CopiableStack original)
{
var stack = new CopiableStack();
foreach (var item in original.Reverse())
{
stack.Push(item);
}
return(stack);
}
public static void Start()
{
// 定义并初始化堆栈
var stack = new CopiableStack();
stack.Push('1');
stack.Push('2');
stack.Push('3');
// 可用性测试
//var count = stack.Count();
//Console.WriteLine(count);
//Console.WriteLine(stack.Pop());
//Console.WriteLine(stack.Pop());
//Console.WriteLine(stack.Pop());
//Console.WriteLine(stack.Pop());
// 习题
var copy = CopiableStack.Copy(stack);
foreach (var item in copy)
{
Console.WriteLine(item);
}
foreach (var item in stack)
{
Console.WriteLine(item);
}
Console.WriteLine(copy.Pop());
Console.WriteLine(copy.Pop());
Console.WriteLine(copy.Pop());
Console.WriteLine(stack.Pop());
Console.WriteLine(stack.Pop());
Console.WriteLine(stack.Pop());
}