Trim a string with boost

trim.cpp

#include <iostream>
#include <string>
#include <boost/algorithm/string/trim.hpp>
#include <boost/algorithm/string/trim_all.hpp>

int main() {
  std::string result;

  std::string str01 = " this is a string with something to trim   ";

  result = boost::trim_left_copy(str01);
  std::cout << "|" << result << "|" << std::endl;

  result = boost::trim_right_copy(str01);
  std::cout << "|" << result << "|" << std::endl;

  result = boost::trim_all_copy(str01);
  std::cout << "|" << result << "|" << std::endl;

  return 0;
}