#include <iostream>
#include <boost/lexical_cast.hpp>
int main(int argc, char *argv[], char *env[])
{
// 1. c++ string int
// 1.1 , atoi strtol
{
std::string text = "152";
int number = std::atoi(text.c_str());
std::cout << number << std::endl;
}
// 1.2 Boost , lexical_cast
try
{
std::string text = "100000000";
int number = boost::lexical_cast<int>(text);
std::cout << number << std::endl;
}
catch(const boost::bad_lexical_cast &e)
{
//
std::cout << e.what() << std::endl;
}
// 2. char* string
{
char *c = "Test char!!!";
std::string str(c);
std::cout << str << std::endl;
}
// 3. string char*
{
std::string str = "Test String!!!";
const char *c = str.c_str();
std::cout << c << std::endl;
}
}