Boost练习程序（强制转换）

#include <iostream>
#include <string>
#include <boost/lexical_cast.hpp>
using namespace std;
using namespace boost;
int main()
{
    string i;
    try
    {
        i=lexical_cast<string>(123.134);
    }
    catch(bad_lexical_cast&e)
    {
        cout<<e.what()<<endl;
        return 1;
    }
    cout<<i<<endl;
    return 0;

}