use actix_web::App;

pub trait ServiceBuilder<T> {
    fn add_feature<F>(self, f: F) -> App<T>
    where
        F: Fn(App<T>) -> App<T>;
}

impl<T> ServiceBuilder<T> for App<T> {
    fn add_feature<F>(self, create_feature: F) -> App<T>
    where
        F: Fn(App<T>) -> App<T>,
    {
        create_feature(self)
    }
}