45.{}初始化的处理

#include <iostream>
#include <initializer_list>
using namespace std;

//显示{}中的数据
void show(initializer_list<int> list)
{
    for (auto i : list)
    {
        cout << i << endl;
    }
}

//拷贝{}中的数据到数组
int *getmem(initializer_list<int> list)
{
    int length = list.size();
    int *p = new int[length];
    int *pbak = p;//备份地址
    for (auto i : list)
    {
        *(p++) = i;//循环赋值
    }
    return pbak;
}

void main()
{
    int a[5] = { 1,2,3,4,5 };
    show({ 1,2,3,4,5 });

    int *p = getmem({ 1,2,3,4,5 });

    for (int i = 0; i < 5; i++)
    {
        cout << p[i] << endl;
    }
    cin.get();
}