adeel

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace WerkCollege5Blocus.Logica
{
    public class Vector<T> : IEnumerable<T>
    {
        private T[] myArray;

        private int index;

        public Vector(int capaciteit = 1)
        {
            myArray = new T[capaciteit];
            index = 0;
        }

        public void PushBack(T obj)
        {
            if (myArray.Length == index)
            {
                Grow();
            }
            myArray[index] = obj;
            index++;
        }

        private void Grow()
        {
            Array.Resize(ref myArray, myArray.Length * 2);
        }

        public T getItem(int indexer)
        {
            return myArray[indexer];
        }

        public void PopBack()
        {
            myArray[index - 1] = default(T);
            index--;
        }

        public IEnumerator<T> GetEnumerator()
        {
            for (int i = 0; i < index; i++)
            {
                yield return myArray[i];
            }
        }

        IEnumerator IEnumerable.GetEnumerator()
        {
            throw new NotImplementedException();
        }
    }
}