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|
//! Asynchronous streams.
//!
//! This module contains:
//!
//! - The [`Stream`] trait, for objects that can asynchronously produce a
//! sequence of values.
//! - The [`StreamExt`] and [`TryStreamExt`] trait, which provides adapters for
//! chaining and composing streams.
//! - Top-level stream constructors like [`iter`](iter()) which creates a
//! stream from an iterator.
#[cfg(feature = "alloc")]
pub use futures_core::stream::{BoxStream, LocalBoxStream};
pub use futures_core::stream::{FusedStream, Stream, TryStream};
// Extension traits and combinators
#[allow(clippy::module_inception)]
mod stream;
pub use self::stream::{
Chain, Collect, Concat, Cycle, Enumerate, Filter, FilterMap, FlatMap, Flatten, Fold, ForEach,
Fuse, Inspect, Map, Next, NextIf, NextIfEq, Peek, PeekMut, Peekable, Scan, SelectNextSome,
Skip, SkipWhile, StreamExt, StreamFuture, Take, TakeUntil, TakeWhile, Then, Unzip, Zip,
};
#[cfg(feature = "std")]
pub use self::stream::CatchUnwind;
#[cfg(feature = "alloc")]
pub use self::stream::Chunks;
#[cfg(feature = "alloc")]
pub use self::stream::ReadyChunks;
#[cfg(feature = "sink")]
#[cfg_attr(docsrs, doc(cfg(feature = "sink")))]
pub use self::stream::Forward;
#[cfg(not(futures_no_atomic_cas))]
#[cfg(feature = "alloc")]
pub use self::stream::{BufferUnordered, Buffered, ForEachConcurrent};
#[cfg(not(futures_no_atomic_cas))]
#[cfg(feature = "sink")]
#[cfg_attr(docsrs, doc(cfg(feature = "sink")))]
#[cfg(feature = "alloc")]
pub use self::stream::{ReuniteError, SplitSink, SplitStream};
mod try_stream;
pub use self::try_stream::{
try_unfold, AndThen, ErrInto, InspectErr, InspectOk, IntoStream, MapErr, MapOk, OrElse,
TryCollect, TryConcat, TryFilter, TryFilterMap, TryFlatten, TryFold, TryForEach, TryNext,
TrySkipWhile, TryStreamExt, TryTakeWhile, TryUnfold,
};
#[cfg(feature = "io")]
#[cfg_attr(docsrs, doc(cfg(feature = "io")))]
#[cfg(feature = "std")]
pub use self::try_stream::IntoAsyncRead;
#[cfg(not(futures_no_atomic_cas))]
#[cfg(feature = "alloc")]
pub use self::try_stream::{TryBufferUnordered, TryBuffered, TryForEachConcurrent};
#[cfg(feature = "alloc")]
pub use self::try_stream::{TryChunks, TryChunksError};
// Primitive streams
mod iter;
pub use self::iter::{iter, Iter};
mod repeat;
pub use self::repeat::{repeat, Repeat};
mod repeat_with;
pub use self::repeat_with::{repeat_with, RepeatWith};
mod empty;
pub use self::empty::{empty, Empty};
mod once;
pub use self::once::{once, Once};
mod pending;
pub use self::pending::{pending, Pending};
mod poll_fn;
pub use self::poll_fn::{poll_fn, PollFn};
mod poll_immediate;
pub use self::poll_immediate::{poll_immediate, PollImmediate};
mod select;
pub use self::select::{select, Select};
mod select_with_strategy;
pub use self::select_with_strategy::{select_with_strategy, PollNext, SelectWithStrategy};
mod unfold;
pub use self::unfold::{unfold, Unfold};
#[cfg(not(futures_no_atomic_cas))]
#[cfg(feature = "alloc")]
mod futures_ordered;
#[cfg(not(futures_no_atomic_cas))]
#[cfg(feature = "alloc")]
pub use self::futures_ordered::FuturesOrdered;
#[cfg(not(futures_no_atomic_cas))]
#[cfg(feature = "alloc")]
pub mod futures_unordered;
#[cfg(not(futures_no_atomic_cas))]
#[cfg(feature = "alloc")]
#[doc(inline)]
pub use self::futures_unordered::FuturesUnordered;
#[cfg(not(futures_no_atomic_cas))]
#[cfg(feature = "alloc")]
pub mod select_all;
#[cfg(not(futures_no_atomic_cas))]
#[cfg(feature = "alloc")]
#[doc(inline)]
pub use self::select_all::{select_all, SelectAll};
#[cfg(not(futures_no_atomic_cas))]
#[cfg(feature = "alloc")]
mod abortable;
#[cfg(not(futures_no_atomic_cas))]
#[cfg(feature = "alloc")]
pub use crate::abortable::{AbortHandle, AbortRegistration, Abortable, Aborted};
#[cfg(not(futures_no_atomic_cas))]
#[cfg(feature = "alloc")]
pub use abortable::abortable;
// Just a helper function to ensure the streams we're returning all have the
// right implementations.
pub(crate) fn assert_stream<T, S>(stream: S) -> S
where
S: Stream<Item = T>,
{
stream
}
|
