#include "arraylist.h"
#include <stdlib.h>
#include <stdio.h>

ArrayList *makeList() {
    ArrayList *ans = (ArrayList *)malloc(sizeof(ArrayList));
    ans->capacity = 1;
    ans->size = 0;
    ans->data = (int *)malloc(sizeof(int) * ans->capacity);
    return ans;
}

void destroyList(ArrayList *a) {
    free(a->data);
    a->data = NULL;
    free(a);
}

void add(ArrayList *to, int value) {
    if (to->size >= to->capacity) {
        to->capacity *= 2;
        to->data = realloc(to->data, sizeof(int)*to->capacity);
    }
    to->data[to->size++] += value;
}

void show(ArrayList *list) {
    printf("[");
    for(int i = 0; i < list->size; i+=1) {
        if(i != 0) printf(", ");
        printf("%d", list->data[i]);
    }
    printf("]\n");
}