import extensions;

public program()
{
    var s := "Hello, world!";             // UTF-8 literal
    var ws := "Привет мир!"w;             // UTF-16 literal

    var s_length := s.Length;             // Number of UTF-8 characters
    var ws_length := ws.Length;           // Number of UTF-16 characters
    var u_length := ws.toArray().Length;    //Number of UTF-32 characters
}