Converting between number and string types is a ubiquitous operation. Prior to C++11, there was little support for converting numbers to strings and back, and developers had to resort mostly to type-unsafe functions and usually wrote their own utility functions in order to avoid writing the same code over and over again. With C++11, the standard library provides utility functions for converting between numbers and strings. In this recipe, you will learn how to convert between numbers and strings and the other way around using modern C++ standard functions.