fork download 
  1. #include <boost/lexical_cast.hpp>
  2. #include <iostream>
  3. int main() {
  4.    std::string text = "1234";
  5.    try {
  6.        int value = boost::lexical_cast<int>(text);  // string -> int
  7.        std::cout << "Converted value: " << value << std::endl;
  8.    }
  9.    catch (const boost::bad_lexical_cast& e) {
  10.        std::cout << "Conversion failed: " << e.what() << std::endl;
  11.    }
  12.    return 0;
  13. }
Success #stdin #stdout 0.01s 5308KB
comments (?)
stdin 
Standard input is empty
stdout 
Converted value: 1234
https://ideone.com/rhsOy9
language:
C++14 (gcc 8.3)
created:
5 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!