extern crate qt_core;
use qt_core::core_application::CoreApplication;
use qt_core::message_logger::MessageLogger;
use qt_core::string::String;

fn main() {
  CoreApplication::create_and_exit(|_app| {
                                     MessageLogger::new()
                                       .debug(())
                                       .op_shl0(&String::from("Hello World!"));
                                     CoreApplication::exec()
                                   })
}