#include <iostream>
#include <boost/lexical_cast.hpp>
#include <string>
 
using namespace std;
int main() {
    string str = "12345";
 
    try{
        int num = boost::lexical_cast<int>(str);
        cout<< "Srting to num: " << num << endl;
 
        double dbl = boost::lexical_cast<double>("12.34");
        cout<< "String to double: " << dbl << endl;
 
        string strFromInt = boost::lexical_cast<string>(4567);
        cout<< "Integer to String: " << strFromInt<<endl;
    }
 
    catch(const boost::bad_lexical_cast &e)
    {
        cerr<<"Error"<<e.what()<<endl;
    }
 
    return 0;
}

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