// C++ Program to demonstrate

// Passing of references as parameters

#include <iostream>

using namespace std;

​

// Function having parameters as

// references

void swap(int& first, int& second)

{

    int temp = first;

    first = second;

    second = temp;

}

​

// Driver function

int main()

{

    // Variables declared

    int a = 2, b = 3;

​

    // function called

    swap(a, b);

​

    // changes can be seen

    // printing both variables

    cout << a << " " << b;

    return 0;

}

int x = 5;

int &y = x;

​

cout << "The value of x is " << x << endl;

cout << "The value of y is " << y << endl;

​

y++;

​

cout << "The value of x is " << x << endl;

cout << "The value of y is " << y << endl;

int& r = i;

​

resource "aws_route_table" "example" {

  vpc_id = aws_vpc.example.id

​

  route {

    cidr_block = "10.0.1.0/24"

    gateway_id = aws_internet_gateway.example.id

  }

​

  route {

    ipv6_cidr_block        = "::/0"

    egress_only_gateway_id = aws_egress_only_internet_gateway.example.id

  }

​

  tags = {

    Name = "example"

  }

}