// file: examples/app
use Inhere\Console\IO\Input;
use Inhere\Console\IO\Output;
$meta = [
    'name' => 'My Console App',
    'version' => '1.0.2',
];
$input = new Input;
$output = new Output;
// 通常无需传入 $input $output ，会自动创建
$app = new \Inhere\Console\Application($meta, $input, $output);
// 注册命令
$app->command('demo', function (Input $in, Output $out) {
    $cmd = $in->getCommand();
    $out->info('hello, this is a test command: ' . $cmd);
});
// ... ...
// run
$app->run();