std::to_string in C++

In C++, the std::to_string function is used to convert numerical values into the string. It is defined inside <string> header and provides a simple and convenient way to convert numbers of any type to strings.

In this article, we will learn how to use std::to_string() in C++.

Syntax

std::to_string(val);

Parameters

• val: It is the value which we have to convert into string. It can be of any numeric data type like integer, long long, double, float, long double.

Return Value

• A string containing the representation of val as a sequence of characters.

Example of std::to_string()

Numbers as String: 
42
3.141590
1.234000