c++ tostring code example

Example 1: to_string c++

// to_string example
#include <iostream>   // std::cout
#include <string>     // std::string, std::to_string

int main ()
{
  std::string pi = "pi is " + std::to_string(3.1415926);
  std::string perfect = std::to_string(1+2+4+7+14) + " is a perfect number";
  std::cout << pi << '\n';
  std::cout << perfect << '\n';
  return 0;
}

Example 2: int to string c++

#include<string>
string s = to_string(int_val);

Example 3: c++ string

#include <string>

std::string myString = "Hello, World!";

Example 4: c++ stirng

#include <string>