import std::print;
import std::from_str;
import std::set_char;
import std::free_string;
import std::String;


fn main() {
    let mut test = String::from("hello");

    test.push(String::from(" world"));

    test.add_char('!');
    test.add_char('\n');

    test.push_num(175);
    
    print(test);

    free_string(&test);

    return;
}