examples/manual/stack.cpp

/**************************************************************************
 *
 * stack.cpp - Example program of stack. See Class Reference Section
 *
 * $Id: //stdlib/dev/examples/stdlib/manual/stack.cpp#10 $
 *
 ***************************************************************************
 *
 * Copyright (c) 1994-2005 Quovadx,  Inc., acting through its  Rogue Wave
 * Software division. Licensed under the Apache License, Version 2.0 (the
 * "License");  you may  not use this file except  in compliance with the
 * License.    You    may   obtain   a   copy   of    the   License    at
 * http://www.apache.org/licenses/LICENSE-2.0.    Unless   required    by
 * applicable law  or agreed to  in writing,  software  distributed under
 * the License is distributed on an "AS IS" BASIS,  WITHOUT WARRANTIES OR
 * CONDITIONS OF  ANY KIND, either  express or implied.  See  the License
 * for the specific language governing permissions  and limitations under
 * the License.
 * 
 **************************************************************************/

#include <stack>
#include <vector>
#include <deque>
#include <string>
#include <iostream>

int main ()
{
#ifndef _RWSTD_NO_NAMESPACE
  using namespace std;
#endif

  //
  // Make a stack using a vector container.
  //
  stack<int,vector<int,allocator<int> > > s;
  //
  // Push a couple of values on the stack.
  //
  s.push(1);
  s.push(2);
  cout << s.top() << endl;
  //
  // Now pop them off.
  //
  s.pop();
  cout << s.top() << endl;
  s.pop();
  //
  // Make a stack of strings using a deque.
  //
  stack<string,deque<string,allocator<string> > > ss;
  //
  // Push a bunch of strings on then pop them off.
  //
  int i;
  for (i = 0; i < 10; i++)
  {
    ss.push(string(i+1,'a'));
    cout << ss.top() << endl;
  }
  for (i = 0; i < 10; i++)
  {
    cout << ss.top() << endl;
    ss.pop();
  }

  return 0;
}