The following code example is taken from the book
Object-Oriented Programming in C++
by Nicolai M. Josuttis, Wiley, 2002
© Copyright Nicolai M. Josuttis 2002
#include <iostream>
#include <string>
#include <cstdlib>
#include "lexcast.hpp"
int main(int argc, char* argv[])
{
try {
if (argc > 1) {
// evaluate first argument as int
int value = lexical_cast<int>(argv[1]);
// use int as string
std::string msg;
msg = "The passed value is: "
+ lexical_cast<std::string>(value);
std::cout << msg << std::endl;
}
}
catch (const char* msg) {
std::cerr << "Exception: " << msg << std::endl;
return EXIT_FAILURE;
}
}