use observer::{Observer, BoxedObserver};
pub struct Subject<T, E> {
observers: Vec<Box<BoxedObserver<T, E>>>,
}
impl<T, E> Subject<T, E> {
pub fn new() -> Subject<T, E> {
Subject {
observers: Vec::new(),
}
}
}
impl<T: Clone, E: Clone> Observer<T, E> for Subject<T, E> {
fn on_next(&mut self, item: T) {
for observer in &mut self.observers {
observer.on_next(item.clone());
}
}
fn on_completed(mut self) {
for observer in self.observers.drain(..) {
observer.on_completed_box();
}
}
fn on_error(mut self, error: E) {
for observer in self.observers.drain(..) {
observer.on_error_box(error.clone());
}
}
}