boostでのsplit

boost_split.cpp

#include <iostream>
#include <string>
#include <vector>
#include <boost/algorithm/string/classification.hpp> // is_any_of
#include <boost/algorithm/string/split.hpp>
#include <boost/range/algorithm/for_each.hpp>
using namespace std;
void test(string s){
    vector<std::string> result;
    cout << "Parse STR: \"" << s << "\"\n";
    boost::algorithm::split(result, s, boost::is_any_of(","));
    cout << "  result array size: " << result.size() << "\n";
    for(int i=0; i < (int)result.size(); i++){
      cout << "  array[i=" << i << "] size: " << result[i].size() << "\n";
    }
}
int main()
{
    test("1,2,3");
    test("1");
    test(",");
    test("");
}