#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>

void print_array(const void* const* array, int size, void (*print_fn)(const void*)) {
    for(int i = 0; i < size; i++) {
        print_fn(array[i]);
        fputc('\n', stdout);
    }
}

void print_string(const void* a_data) {
    const char* str = a_data;
    fputs(str, stdout);
}

void print_integer_in_decimal(const void* a_data) {
    const int* a_num = a_data;
    printf("%d", *a_num);
}

void print_integer_in_hexadecimal(const void* a_data) {
    const int* a_num = a_data;
    printf("%x", *a_num);
}

void print_string_with_quotes(const void* a_data) {
    const char* str = a_data;
    fputc('"', stdout);
    fputs(str, stdout);
    fputc('"', stdout);
}
int main(int argc, char* argv[]) {
    // in order to call our print logic, need to declare this as void*
    const void* strings[] = {
        "Hello",
        "World",
        "Generic",
        "Addresses %s"
    };
    print_array(strings, 4, print_string);
    print_array(strings, 4, print_string_with_quotes);

    int numbers[] = { 9, 7, 4, 18, 100 };
    // to pass in numbers, we had to copy it into a void* array
    const void* numbers_as_void[5];
    for(int i = 0; i < 5; i++) {
        numbers_as_void[i] = numbers + i;
    }
    print_array(numbers_as_void, 5, print_integer_in_decimal);
    print_array(numbers_as_void, 5, print_integer_in_hexadecimal);


    return EXIT_SUCCESS;
}
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