fig11_04.cpp

来自「《c＋＋大学教程》源码」· C++ 代码 · 共 63 行

// Fig. 11.4: fig11_04.cpp
// Stack class template test program. Function main uses a 
// function template to manipulate objects of type Stack< T >.
#include <iostream>

using std::cout;
using std::cin;
using std::endl;

#include "tstack1.h"  // Stack class template definition

// function template to manipulate Stack< T >
template< class T >
void testStack( 
   Stack< T > &theStack,   // reference to Stack< T >
   T value,                // initial value to push
   T increment,            // increment for subsequent values
   const char *stackName ) // name of the Stack < T > object
{
   cout << "\nPushing elements onto " << stackName << '\n';

   while ( theStack.push( value ) ) { 
      cout << value << ' ';
      value += increment;

   } // end while

   cout << "\nStack is full. Cannot push " << value 
        << "\n\nPopping elements from " << stackName << '\n';

   while ( theStack.pop( value ) )  
      cout << value << ' ';

   cout << "\nStack is empty. Cannot pop\n";

} // end function testStack

int main()
{
   Stack< double > doubleStack( 5 );   
   Stack< int > intStack;

   testStack( doubleStack, 1.1, 1.1, "doubleStack" );
   testStack( intStack, 1, 1, "intStack" );

   return 0;

} // end main

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