rxrust 0.15.0

A Rust implementation of Reactive Extensions.
Documentation 
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use crate::prelude::*;

/// Shared wrap the Observableļ¼Œ subscribe and accept subscribe in a safe mode
/// by SharedObservable.
#[derive(Clone)]
pub struct Shared<R>(pub(crate) R);

pub trait SharedObservable: Observable {
  type Unsub: SubscriptionLike + 'static;
  fn actual_subscribe<
    O: Observer<Item = Self::Item, Err = Self::Err> + Sync + Send + 'static,
  >(
    self,
    subscriber: Subscriber<O, SharedSubscription>,
  ) -> Self::Unsub;

  /// Convert to a thread-safe mode.
  #[inline]
  fn into_shared(self) -> Shared<Self>
  where
    Self: Sized,
  {
    Shared(self)
  }
}

pub trait SharedEmitter: Emitter {
  fn emit<O>(self, subscriber: Subscriber<O, SharedSubscription>)
  where
    O: Observer<Item = Self::Item, Err = Self::Err> + Send + Sync + 'static;
}

observable_proxy_impl!(Shared, S);

impl<S> SharedObservable for Shared<S>
where
  S: SharedObservable,
{
  type Unsub = S::Unsub;
  #[inline]
  fn actual_subscribe<
    O: Observer<Item = Self::Item, Err = Self::Err> + Sync + Send + 'static,
  >(
    self,
    subscriber: Subscriber<O, SharedSubscription>,
  ) -> Self::Unsub {
    self.0.actual_subscribe(subscriber)
  }
}