Iterator_Exercise.c

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#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
#include "Iterator_Iterators.h"
#include "Iterator_Exercise.h"
 
//=============================================================================
//=============================================================================
 
 
//=============================================================================
//=============================================================================
 
// ! [Using Iterator in C]
void Iterator_Exercise(void)
{
    printf("\nIterator Exercise\n");
 
    // For this example, the class already has built into it the data
    // to be iterated over.
 
    printf("  Iterating over keys only:\n");
    KeyIterator keyIterator;
    Iterator_GetKeys(&keyIterator);
    while (Iterator_NextKey(&keyIterator))
    {
        printf("    %s\n", keyIterator.key);
    }
 
    printf("  Iterating over values only:\n");
    ValueIterator valueIterator;
    Iterator_GetValues(&valueIterator);
    while (Iterator_NextValue(&valueIterator))
    {
        printf("    %s\n", valueIterator.value);
    }
 
    printf("  Iterating over all items:\n");
    ItemIterator itemIterator;
    Iterator_GetItems(&itemIterator);
    while (Iterator_NextItem(&itemIterator))
    {
        printf("    %s = %s\n", itemIterator.item.key, itemIterator.item.value);
    }
 
    printf("  Done.\n");
}
// ! [Using Iterator in C]