Queue_Demo.cpp

Insert items from the user onto a Queue and then read them back at the terminal

cmake_minimum_required(VERSION 3.12)
find_package(PropWare REQUIRED)
 
project(Queue_Demo)
 
create_simple_executable(${PROJECT_NAME} Queue_Demo.cpp)

 
#include <PropWare/PropWare.h>
#include <PropWare/utility/collection/queue.h>
#include <PropWare/hmi/output/printer.h>
#include <PropWare/hmi/input/scanner.h>
 
using PropWare::Queue;
 
static const size_t ARRAY_SIZE_1 = 4;
 
int main () {
    int array[ARRAY_SIZE_1];
    Queue<int> buffer(array);
 
    pwOut.printf("Please enter a number at each of the following six prompts:\n");
    for (int i = 0; i < 6; ++i) {
        int x;
        pwOut << ">>> ";
        pwIn >> x;
        buffer.enqueue(x);
    }
 
    pwOut << "I received the following (" << ARRAY_SIZE_1 << ") values in this order:\n";
    while (buffer.size())
        pwOut << "    " << buffer.dequeue() << "\n";
    pwOut << "The Queue instance only had space for four objects, so you'll notice that\n"
        << "the first two numbers you entered are no longer in the Queue.\n";
 
    return 0;
}