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Showing content from https://cplusplus.com/reference/string/to_string/ below:

function

<string>

string to_string (int val);string to_string (long val);string to_string (long long val);string to_string (unsigned val);string to_string (unsigned long val);string to_string (unsigned long long val);string to_string (float val);string to_string (double val);string to_string (long double val);

Convert numerical value to string

The format used is the same that printf would print for the corresponding type:

val

Numerical value.

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// 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;
}

pi is 3.141593
28 is a perfect number

sprintf

Write formatted data to string (function)

to_wstring

Convert numerical value to wide string (function)

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