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use observable::Observable;
use observer::Observer;
use std::marker::PhantomData;
pub struct ErrorObservable<T: Clone, E: Clone> {
_phantom_t: PhantomData<T>,
error: E,
}
impl<T: Clone, E: Clone> Observable for ErrorObservable<T, E> {
type Item = T;
type Error = E;
type Subscription = super::UncancellableSubscription;
fn subscribe<O>(&mut self, observer: O) -> Self::Subscription
where O: Observer<Self::Item, Self::Error> {
observer.on_error(self.error.clone());
super::UncancellableSubscription
}
}
pub fn error<T: Clone, E: Clone>(error: E) -> ErrorObservable<T, E> {
ErrorObservable {
_phantom_t: PhantomData,
error: error,
}
}