my

//
// Created by k3l on 21.11.2019.
//

#include "my_vector.h"
#include <exception>
#include <iostream>

namespace my_std{

    int min(int i, int j){
        return i < j ? i : j;
    }

    my_vector::my_vector() {
        this->size = 0;
        this->alloc = 0;
        this->array = nullptr;
    }

    my_vector::my_vector(int n) {
        this->size = 0;
        this->alloc = n;
        this->array = new int[n];
    }

    my_vector::my_vector(int n, int x) {
        this->size = n;
        this->alloc = n;
        this->array = new int[n];
        for(int i = 0; i < n; i++){
            array[i] = x;
        }
    }

    void my_vector::resize(int new_size) {
        int *temp = new int[new_size];
        for(int i = 0; i <  min(this->size,new_size); i++){
            temp[i] = this->array[i];
        }
        delete[] array;
        this->array = temp;
        this->size = min(size, new_size);
        this->alloc = new_size;
    }

    int& my_vector::operator[](int index) {
        if(index < size)
            return array[index];
        throw std::exception();
    }

    int my_vector::get_size() {
        return size;
    }

    int my_vector::pop() {
        return array[--size];
    }

    void my_vector::push_back(int i) {
        if(alloc == size)
            resize((int) (alloc * 1.5));
        array[size++] = i;
    }


    my_vector::~my_vector() {
        delete[] array;
        std::cout << "I've been deleted" << std::endl;
    }



}