optical parameters in laravel route code example

Example 1: set route name laravel

Route::get('/novanoticia', 'HomeController@getNovaNoticia')->name('route_name');
Route::get('/novanoticia', ['as' => 'route_name', 'uses' => 'HomeController@getNovaNoticia']);

Example 2: laravel route

Route::get('posts/{post}/comments/{comment}', function ($postId, $commentId) {
    //
});