/// <summary>
/// Append another stack to the top of this stack
/// The rhs will be reversed and pushed onto 'this' stack. That will
/// maintain the order of the items in the resulting stack. So the top
/// of 'rhs' will be the top of the newly created stack. 'this' stack
/// will be under the 'rhs' stack.
/// </summary>
/// <param name="rhs">Stack to append</param>
/// <returns>Appended stacks</returns>
public Stck <T> Append(Stck <T> rhs)
{
var self = this;
foreach (var item in rhs.Rev())
{
self = self.Push(item);
}
return(self);
}
