static void Main()
{
var stack = new ConcurrentStack <int>();
stack.Push(1);
stack.Push(2);
stack.Push(3);
stack.Push(4);
int result;
if (stack.TryPeek(out result))
{
Console.WriteLine($"{result} is on top");
}
if (stack.TryPop(out result))
{
Console.WriteLine($"Popped {result}");
}
var items = new int[5];
if (stack.TryPopRange(items, 0, 5) > 0) // actually pops only 3 items
{
var text = string.Join(", ", items.Select(i => i.ToString()));
Console.WriteLine($"Popped these items: {text}");
}
}
static void ConcurrentStackDemo()
{
var names = new ConcurrentStack <string>();
names.Push("Bob");
names.Push("Alice");
names.Push("Rob");
Console.WriteLine($"After enqueuing, count = {names.Count}");
string item1; //= names.Dequeue();
bool success = names.TryPop(out item1);
if (success)
{
Console.WriteLine("\nRemoving " + item1);
}
else
{
Console.WriteLine("queue was empty");
}
string item2; //=names.Peek();
success = names.TryPeek(out item2);
if (success)
{
Console.WriteLine("Peeking " + item2);
}
else
{
Console.WriteLine("queue was empty");
}
Console.WriteLine("Enumerating");
PrintOutCollection(names);
Console.WriteLine("\nAfter enumerating, count = " + names.Count);
}
