boost helloworld

boost helloworld

1.소스

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

using namespace std;
using namespace boost;

int main( int argc , char ** argv )
{

    string str1(" hello world! ");
    to_upper(str1);  // str1 == " HELLO WORLD! "
    trim(str1);      // str1 == "HELLO WORLD!"

    cout << " str1 = " << str1 << endl;

    string str2=
       to_lower_copy(
          ireplace_first_copy(
             str1,"hello","goodbye")); // str2 == "goodbye world!"

    cout << " str2 = " << str2 << endl;
}

결과

hacker@ubuntu:~/cpp$ 
hacker@ubuntu:~/cpp$ 
hacker@ubuntu:~/cpp$ c++ -I /home/hacker/boost_1_61_0 -o boost_ex3 boost_ex3.cpp 
hacker@ubuntu:~/cpp$ 
hacker@ubuntu:~/cpp$ ./boost_ex3 
 str1 = HELLO WORLD!
 str2 = goodbye world!
hacker@ubuntu:~/cpp$