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  1. #include <iostream>
  2. #include <boost/lexical_cast.hpp>
  3. #include <string>
  4.  
  5. using namespace std;
  6. int main() {
  7.     string str = "12345";
  8.  
  9.     try{
  10.         int num = boost::lexical_cast<int>(str);
  11.         cout<< "Srting to num: " << num << endl;
  12.  
  13.         double dbl = boost::lexical_cast<double>("12.34");
  14.         cout<< "String to double: " << dbl << endl;
  15.  
  16.         string strFromInt = boost::lexical_cast<string>(4567);
  17.         cout<< "Integer to String: " << strFromInt<<endl;
  18.     }
  19.  
  20.     catch(const boost::bad_lexical_cast &e)
  21.     {
  22.         cerr<<"Error"<<e.what()<<endl;
  23.     }
  24.  
  25.     return 0;
  26. }
Success #stdin #stdout 0s 5296KB
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Standard input is empty
stdout
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Srting to num: 12345
String to double: 12.34
Integer to String: 4567
https://ideone.com/nk98jA
language:
C++ (gcc 8.3)
created:
6 days ago
visibility:
public

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