C++ How to Program, 10/e

... "\nPushing elements onto " << stackName <<'\n';
18   T pushValue{value};
19
20   // push element onto Stack
21   for (size_t i{0}; i < size; ++i) {
22      theStack.push(pushValue); // push element onto Stack
23      cout << pushValue << ' ';
24      pushValue += increment;
25   }
26
27   cout << "\n\nPopping elements from " << stackName <<'\n';
28
29   // pop elements from Stack
30   while (!theStack.isEmpty()) {// loop while Stack is not empty
31      cout << theStack.top() << ' ';
32      theStack.pop(); // remove top element
33   }
34
35   cout <<"\nStack is empty. Cannot pop." << endl;
36  }
37
38   int main() {
39      Stack<double> doubleStack;
40      const size_t doubleStackSize{5};
41      testStack(doubleStack, 1.1, 1.1, doubleStackSize, "doubleStack");
42
43      Stack<int> intStack;
44      const size_t ...