->operator[]的C++快捷方式

int arr[5] = {1, 2, 3, 4, 5};
int value = arr[2]; // 访问索引为2的元素，值为3

std::vector<int> vec = {1, 2, 3, 4, 5};
int value = vec[2]; // 访问索引为2的元素，值为3

#include <iostream>
#include <tencentcloud/core/TencentCloud.h>
#include <tencentcloud/cvm/v20170312/CvmClient.h>

int main()
{
    TencentCloud::InitAPI();

    // 创建 CVM 客户端
    TencentCloud::Cvm::V20170312::CvmClient client(
        TencentCloud::Profile::Credential("your-secret-id", "your-secret-key"),
        "ap-guangzhou"
    );

    // 查询云服务器实例列表
    TencentCloud::Cvm::V20170312::DescribeInstancesRequest req;
    auto outcome = client.DescribeInstances(req);
    if (outcome.IsSuccess())
    {
        auto instances = outcome.GetResult().GetInstanceSet();
        for (const auto& instance : instances)
        {
            std::cout << "Instance ID: " << instance["InstanceId"].GetString() << std::endl;
            std::cout << "Instance Name: " << instance["InstanceName"].GetString() << std::endl;
            // 其他属性...
        }
    }
    else
    {
        std::cout << "Error: " << outcome.GetError().GetMessage() << std::endl;
    }

    TencentCloud::ShutdownAPI();

    return 0;
}