(C++) std::to\_stringJanuary 11, 2018 · View on GitHub (C++) std::to_string std::to_string is a C++11 STL function to convert a bool, double or integer to std::string. #include <string> //From http://www.richelbilderbeek.nl/CppDoubleToStr.htm const std::string DoubleToStr(const double x) { return std::to_string(x); }