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use std::fmt::Display;
use std::time::{Instant, Duration};
use futures::{Future, Stream};
use log::LogLevel;
use void::Void;
use until::Until;
use first_ok::FirstOk;
use log_errors::LogErrors;
use infallible::Infallible;
use next_or_else::NextOrElse;
use finally::Finally;
use with_timeout::WithTimeout;
use with_readiness_timeout::WithReadinessTimeout;
use {BoxStream, BoxSendStream};
pub trait StreamExt: Stream + Sized {
fn into_boxed(self) -> BoxStream<Self::Item, Self::Error>
where
Self: 'static
{
Box::new(self)
}
fn into_send_boxed(self) -> BoxSendStream<Self::Item, Self::Error>
where
Self: Send + 'static,
{
Box::new(self)
}
fn until<C>(self, condition: C) -> Until<Self, C>
where
C: Future<Item=()>,
Self::Error: From<C::Error>
{
Until::new(self, condition)
}
fn first_ok(self) -> FirstOk<Self> {
FirstOk::new(self)
}
fn log_errors(self, level: LogLevel, description: &'static str) -> LogErrors<Self>
where
Self::Error: Display
{
LogErrors::new(self, level, description)
}
fn infallible<E>(self) -> Infallible<Self, E>
where
Self: Stream<Error=Void>
{
Infallible::new(self)
}
fn next_or_else<F, E>(self, f: F) -> NextOrElse<Self, F>
where
F: FnOnce() -> E,
E: From<Self::Error>,
{
NextOrElse::new(self, f)
}
fn finally<D>(self, on_drop: D) -> Finally<Self, D>
where
D: FnOnce()
{
Finally::new(self, on_drop)
}
fn with_timeout(self, duration: Duration) -> WithTimeout<Self> {
WithTimeout::new(self, duration)
}
fn with_timeout_at(self, instant: Instant) -> WithTimeout<Self> {
WithTimeout::new_at(self, instant)
}
fn with_readiness_timeout(self, duration: Duration) -> WithReadinessTimeout<Self> {
WithReadinessTimeout::new(self, duration)
}
}
impl<T: Stream + Sized> StreamExt for T {}