pub struct Downloads<ZN, ZV, ZS>where
ZN: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static,
ZN::Future: Send,
ZV: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static,
ZV::Future: Send,
ZS: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static,
ZS::Future: Send,{
network: ZN,
verifier: ZV,
state: ZS,
pending: FuturesUnordered<JoinHandle<Result<(VerifiedUnminedTx, Option<Height>), (TransactionDownloadVerifyError, UnminedTxId)>>>,
cancel_handles: HashMap<UnminedTxId, (Sender<CancelDownloadAndVerify>, Gossip)>,
}
Expand description
Represents a [Stream
] of download and verification tasks.
Fields§
§network: ZN
A service that forwards requests to connected peers, and returns their responses.
verifier: ZV
A service that verifies downloaded transactions.
state: ZS
A service that manages cached blockchain state.
pending: FuturesUnordered<JoinHandle<Result<(VerifiedUnminedTx, Option<Height>), (TransactionDownloadVerifyError, UnminedTxId)>>>
A list of pending transaction download and verify tasks.
cancel_handles: HashMap<UnminedTxId, (Sender<CancelDownloadAndVerify>, Gossip)>
A list of channels that can be used to cancel pending transaction download and verify tasks. Each channel also has the corresponding request.
Implementations§
source§impl<ZN, ZV, ZS> Downloads<ZN, ZV, ZS>where
ZN: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static,
ZN::Future: Send,
ZV: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static,
ZV::Future: Send,
ZS: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static,
ZS::Future: Send,
impl<ZN, ZV, ZS> Downloads<ZN, ZV, ZS>where ZN: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static, ZN::Future: Send, ZV: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static, ZV::Future: Send, ZS: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static, ZS::Future: Send,
pub(crate) fn project<'pin>( self: Pin<&'pin mut Self> ) -> __DownloadsProjection<'pin, ZN, ZV, ZS>
pub(crate) fn project_ref<'pin>( self: Pin<&'pin Self> ) -> __DownloadsProjectionRef<'pin, ZN, ZV, ZS>
source§impl<ZN, ZV, ZS> Downloads<ZN, ZV, ZS>where
ZN: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static,
ZN::Future: Send,
ZV: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static,
ZV::Future: Send,
ZS: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static,
ZS::Future: Send,
impl<ZN, ZV, ZS> Downloads<ZN, ZV, ZS>where ZN: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static, ZN::Future: Send, ZV: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static, ZV::Future: Send, ZS: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static, ZS::Future: Send,
sourcepub fn new(network: ZN, verifier: ZV, state: ZS) -> Self
pub fn new(network: ZN, verifier: ZV, state: ZS) -> Self
Initialize a new download stream with the provided services.
network
is used to download transactions.
verifier
is used to verify transactions.
state
is used to check if transactions are already in the state.
The Downloads
stream is agnostic to the network policy, so retry and
timeout limits should be applied to the network
service passed into
this constructor.
sourcepub fn download_if_needed_and_verify(
&mut self,
gossiped_tx: Gossip
) -> Result<(), MempoolError>
pub fn download_if_needed_and_verify( &mut self, gossiped_tx: Gossip ) -> Result<(), MempoolError>
Queue a transaction for download (if needed) and verification.
Returns the action taken in response to the queue request.
sourcepub fn cancel(&mut self, mined_ids: &HashSet<Hash>)
pub fn cancel(&mut self, mined_ids: &HashSet<Hash>)
Cancel download/verification tasks of transactions with the
given transaction hash (see UnminedTxId::mined_id
).
sourcepub fn cancel_all(&mut self)
pub fn cancel_all(&mut self)
Cancel all running tasks and reset the downloader state.
sourcepub fn transaction_requests(&self) -> impl Iterator<Item = &Gossip>
pub fn transaction_requests(&self) -> impl Iterator<Item = &Gossip>
Get a list of the currently pending transaction requests.
sourceasync fn transaction_in_best_chain(
state: &mut ZS,
txid: UnminedTxId
) -> Result<(), TransactionDownloadVerifyError>
async fn transaction_in_best_chain( state: &mut ZS, txid: UnminedTxId ) -> Result<(), TransactionDownloadVerifyError>
Check if transaction is already in the best chain.
Trait Implementations§
source§impl<ZN, ZV, ZS> Debug for Downloads<ZN, ZV, ZS>where
ZN: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static + Debug,
ZN::Future: Send,
ZV: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static + Debug,
ZV::Future: Send,
ZS: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static + Debug,
ZS::Future: Send,
impl<ZN, ZV, ZS> Debug for Downloads<ZN, ZV, ZS>where ZN: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static + Debug, ZN::Future: Send, ZV: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static + Debug, ZV::Future: Send, ZS: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static + Debug, ZS::Future: Send,
source§impl<ZN, ZV, ZS> Drop for Downloads<ZN, ZV, ZS>where
ZN: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static,
ZN::Future: Send,
ZV: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static,
ZV::Future: Send,
ZS: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static,
ZS::Future: Send,
impl<ZN, ZV, ZS> Drop for Downloads<ZN, ZV, ZS>where ZN: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static, ZN::Future: Send, ZV: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static, ZV::Future: Send, ZS: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static, ZS::Future: Send,
source§impl<ZN, ZV, ZS> Stream for Downloads<ZN, ZV, ZS>where
ZN: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static,
ZN::Future: Send,
ZV: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static,
ZV::Future: Send,
ZS: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static,
ZS::Future: Send,
impl<ZN, ZV, ZS> Stream for Downloads<ZN, ZV, ZS>where ZN: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static, ZN::Future: Send, ZV: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static, ZV::Future: Send, ZS: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static, ZS::Future: Send,
§type Item = Result<(VerifiedUnminedTx, Option<Height>), (UnminedTxId, TransactionDownloadVerifyError)>
type Item = Result<(VerifiedUnminedTx, Option<Height>), (UnminedTxId, TransactionDownloadVerifyError)>
impl<'pin, ZN, ZV, ZS> Unpin for Downloads<ZN, ZV, ZS>where ZN: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static, ZN::Future: Send, ZV: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static, ZV::Future: Send, ZS: Service<Request, Response = Response, Error = Box<dyn Error + Send + Sync + 'static>> + Send + Clone + 'static, ZS::Future: Send, __Downloads<'pin, ZN, ZV, ZS>: Unpin,
Auto Trait Implementations§
impl<ZN, ZV, ZS> !RefUnwindSafe for Downloads<ZN, ZV, ZS>
impl<ZN, ZV, ZS> Send for Downloads<ZN, ZV, ZS>
impl<ZN, ZV, ZS> Sync for Downloads<ZN, ZV, ZS>where ZN: Sync, ZS: Sync, ZV: Sync,
impl<ZN, ZV, ZS> !UnwindSafe for Downloads<ZN, ZV, ZS>
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§fn fold<T, Fut, F>(self, init: T, f: F) -> Fold<Self, Fut, T, F>where
F: FnMut(T, Self::Item) -> Fut,
Fut: Future<Output = T>,
Self: Sized,
fn fold<T, Fut, F>(self, init: T, f: F) -> Fold<Self, Fut, T, F>where F: FnMut(T, Self::Item) -> Fut, Fut: Future<Output = T>, Self: Sized,
§fn any<Fut, F>(self, f: F) -> Any<Self, Fut, F>where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = bool>,
Self: Sized,
fn any<Fut, F>(self, f: F) -> Any<Self, Fut, F>where F: FnMut(Self::Item) -> Fut, Fut: Future<Output = bool>, Self: Sized,
true
if any element in stream satisfied a predicate. Read more§fn all<Fut, F>(self, f: F) -> All<Self, Fut, F>where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = bool>,
Self: Sized,
fn all<Fut, F>(self, f: F) -> All<Self, Fut, F>where F: FnMut(Self::Item) -> Fut, Fut: Future<Output = bool>, Self: Sized,
true
if all element in stream satisfied a predicate. Read more§fn flatten(self) -> Flatten<Self>where
Self::Item: Stream,
Self: Sized,
fn flatten(self) -> Flatten<Self>where Self::Item: Stream, Self: Sized,
§fn flatten_unordered(
self,
limit: impl Into<Option<usize>>
) -> FlattenUnorderedWithFlowController<Self, ()>where
Self::Item: Stream + Unpin,
Self: Sized,
fn flatten_unordered( self, limit: impl Into<Option<usize>> ) -> FlattenUnorderedWithFlowController<Self, ()>where Self::Item: Stream + Unpin, Self: Sized,
§fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F>where
F: FnMut(Self::Item) -> U,
U: Stream,
Self: Sized,
fn flat_map<U, F>(self, f: F) -> FlatMap<Self, U, F>where F: FnMut(Self::Item) -> U, U: Stream, Self: Sized,
§fn flat_map_unordered<U, F>(
self,
limit: impl Into<Option<usize>>,
f: F
) -> FlatMapUnordered<Self, U, F>where
U: Stream + Unpin,
F: FnMut(Self::Item) -> U,
Self: Sized,
fn flat_map_unordered<U, F>( self, limit: impl Into<Option<usize>>, f: F ) -> FlatMapUnordered<Self, U, F>where U: Stream + Unpin, F: FnMut(Self::Item) -> U, Self: Sized,
StreamExt::map
] but flattens nested Stream
s
and polls them concurrently, yielding items in any order, as they made
available. Read more§fn scan<S, B, Fut, F>(self, initial_state: S, f: F) -> Scan<Self, S, Fut, F>where
F: FnMut(&mut S, Self::Item) -> Fut,
Fut: Future<Output = Option<B>>,
Self: Sized,
fn scan<S, B, Fut, F>(self, initial_state: S, f: F) -> Scan<Self, S, Fut, F>where F: FnMut(&mut S, Self::Item) -> Fut, Fut: Future<Output = Option<B>>, Self: Sized,
StreamExt::fold
] that holds internal state
and produces a new stream. Read more§fn skip_while<Fut, F>(self, f: F) -> SkipWhile<Self, Fut, F>where
F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,
Self: Sized,
fn skip_while<Fut, F>(self, f: F) -> SkipWhile<Self, Fut, F>where F: FnMut(&Self::Item) -> Fut, Fut: Future<Output = bool>, Self: Sized,
true
. Read more§fn take_while<Fut, F>(self, f: F) -> TakeWhile<Self, Fut, F>where
F: FnMut(&Self::Item) -> Fut,
Fut: Future<Output = bool>,
Self: Sized,
fn take_while<Fut, F>(self, f: F) -> TakeWhile<Self, Fut, F>where F: FnMut(&Self::Item) -> Fut, Fut: Future<Output = bool>, Self: Sized,
true
. Read more§fn take_until<Fut>(self, fut: Fut) -> TakeUntil<Self, Fut>where
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Self: Sized,
fn take_until<Fut>(self, fut: Fut) -> TakeUntil<Self, Fut>where Fut: Future, Self: Sized,
§fn for_each<Fut, F>(self, f: F) -> ForEach<Self, Fut, F>where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = ()>,
Self: Sized,
fn for_each<Fut, F>(self, f: F) -> ForEach<Self, Fut, F>where F: FnMut(Self::Item) -> Fut, Fut: Future<Output = ()>, Self: Sized,
§fn for_each_concurrent<Fut, F>(
self,
limit: impl Into<Option<usize>>,
f: F
) -> ForEachConcurrent<Self, Fut, F>where
F: FnMut(Self::Item) -> Fut,
Fut: Future<Output = ()>,
Self: Sized,
fn for_each_concurrent<Fut, F>( self, limit: impl Into<Option<usize>>, f: F ) -> ForEachConcurrent<Self, Fut, F>where F: FnMut(Self::Item) -> Fut, Fut: Future<Output = ()>, Self: Sized,
§fn take(self, n: usize) -> Take<Self>where
Self: Sized,
fn take(self, n: usize) -> Take<Self>where Self: Sized,
n
items of the underlying stream. Read more§fn skip(self, n: usize) -> Skip<Self>where
Self: Sized,
fn skip(self, n: usize) -> Skip<Self>where Self: Sized,
n
items of the underlying stream. Read more§fn catch_unwind(self) -> CatchUnwind<Self>where
Self: Sized + UnwindSafe,
fn catch_unwind(self) -> CatchUnwind<Self>where Self: Sized + UnwindSafe,
§fn boxed<'a>(
self
) -> Pin<Box<dyn Stream<Item = Self::Item> + Send + 'a, Global>>where
Self: Sized + Send + 'a,
fn boxed<'a>( self ) -> Pin<Box<dyn Stream<Item = Self::Item> + Send + 'a, Global>>where Self: Sized + Send + 'a,
§fn boxed_local<'a>(self) -> Pin<Box<dyn Stream<Item = Self::Item> + 'a, Global>>where
Self: Sized + 'a,
fn boxed_local<'a>(self) -> Pin<Box<dyn Stream<Item = Self::Item> + 'a, Global>>where Self: Sized + 'a,
§fn buffered(self, n: usize) -> Buffered<Self>where
Self::Item: Future,
Self: Sized,
fn buffered(self, n: usize) -> Buffered<Self>where Self::Item: Future, Self: Sized,
§fn buffer_unordered(self, n: usize) -> BufferUnordered<Self>where
Self::Item: Future,
Self: Sized,
fn buffer_unordered(self, n: usize) -> BufferUnordered<Self>where Self::Item: Future, Self: Sized,
§fn zip<St>(self, other: St) -> Zip<Self, St>where
St: Stream,
Self: Sized,
fn zip<St>(self, other: St) -> Zip<Self, St>where St: Stream, Self: Sized,
§fn chain<St>(self, other: St) -> Chain<Self, St>where
St: Stream<Item = Self::Item>,
Self: Sized,
fn chain<St>(self, other: St) -> Chain<Self, St>where St: Stream<Item = Self::Item>, Self: Sized,
§fn peekable(self) -> Peekable<Self>where
Self: Sized,
fn peekable(self) -> Peekable<Self>where Self: Sized,
peek
method. Read more§fn chunks(self, capacity: usize) -> Chunks<Self>where
Self: Sized,
fn chunks(self, capacity: usize) -> Chunks<Self>where Self: Sized,
§fn ready_chunks(self, capacity: usize) -> ReadyChunks<Self>where
Self: Sized,
fn ready_chunks(self, capacity: usize) -> ReadyChunks<Self>where Self: Sized,
§fn forward<S>(self, sink: S) -> Forward<Self, S>where
S: Sink<Self::Ok, Error = Self::Error>,
Self: TryStream + Sized,
fn forward<S>(self, sink: S) -> Forward<Self, S>where S: Sink<Self::Ok, Error = Self::Error>, Self: TryStream + Sized,
§fn inspect<F>(self, f: F) -> Inspect<Self, F>where
F: FnMut(&Self::Item),
Self: Sized,
fn inspect<F>(self, f: F) -> Inspect<Self, F>where F: FnMut(&Self::Item), Self: Sized,
§fn left_stream<B>(self) -> Either<Self, B>where
B: Stream<Item = Self::Item>,
Self: Sized,
fn left_stream<B>(self) -> Either<Self, B>where B: Stream<Item = Self::Item>, Self: Sized,
§fn right_stream<B>(self) -> Either<B, Self>where
B: Stream<Item = Self::Item>,
Self: Sized,
fn right_stream<B>(self) -> Either<B, Self>where B: Stream<Item = Self::Item>, Self: Sized,
§fn poll_next_unpin(&mut self, cx: &mut Context<'_>) -> Poll<Option<Self::Item>>where
Self: Unpin,
fn poll_next_unpin(&mut self, cx: &mut Context<'_>) -> Poll<Option<Self::Item>>where Self: Unpin,
Stream::poll_next
] on Unpin
stream types.§fn select_next_some(&mut self) -> SelectNextSome<'_, Self>where
Self: Unpin + FusedStream,
fn select_next_some(&mut self) -> SelectNextSome<'_, Self>where Self: Unpin + FusedStream,
§impl<St> StreamExt for Stwhere
St: Stream + ?Sized,
impl<St> StreamExt for Stwhere St: Stream + ?Sized,
§fn next(&mut self) -> Next<'_, Self>where
Self: Unpin,
fn next(&mut self) -> Next<'_, Self>where Self: Unpin,
None
if the
stream is finished. Read more§fn try_next<T, E>(&mut self) -> TryNext<'_, Self>where
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fn try_next<T, E>(&mut self) -> TryNext<'_, Self>where Self: Stream<Item = Result<T, E>> + Unpin,
§fn map<T, F>(self, f: F) -> Map<Self, F>where
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Self: Sized,
fn map<T, F>(self, f: F) -> Map<Self, F>where F: FnMut(Self::Item) -> T, Self: Sized,
§fn map_while<T, F>(self, f: F) -> MapWhile<Self, F>where
F: FnMut(Self::Item) -> Option<T>,
Self: Sized,
fn map_while<T, F>(self, f: F) -> MapWhile<Self, F>where F: FnMut(Self::Item) -> Option<T>, Self: Sized,
None
. Read more§fn then<F, Fut>(self, f: F) -> Then<Self, Fut, F>where
F: FnMut(Self::Item) -> Fut,
Fut: Future,
Self: Sized,
fn then<F, Fut>(self, f: F) -> Then<Self, Fut, F>where F: FnMut(Self::Item) -> Fut, Fut: Future, Self: Sized,
§fn merge<U>(self, other: U) -> Merge<Self, U>where
U: Stream<Item = Self::Item>,
Self: Sized,
fn merge<U>(self, other: U) -> Merge<Self, U>where U: Stream<Item = Self::Item>, Self: Sized,
§fn filter<F>(self, f: F) -> Filter<Self, F>where
F: FnMut(&Self::Item) -> bool,
Self: Sized,
fn filter<F>(self, f: F) -> Filter<Self, F>where F: FnMut(&Self::Item) -> bool, Self: Sized,
§fn filter_map<T, F>(self, f: F) -> FilterMap<Self, F>where
F: FnMut(Self::Item) -> Option<T>,
Self: Sized,
fn filter_map<T, F>(self, f: F) -> FilterMap<Self, F>where F: FnMut(Self::Item) -> Option<T>, Self: Sized,
§fn fuse(self) -> Fuse<Self>where
Self: Sized,
fn fuse(self) -> Fuse<Self>where Self: Sized,
None
. Read more§fn take(self, n: usize) -> Take<Self>where
Self: Sized,
fn take(self, n: usize) -> Take<Self>where Self: Sized,
n
items of the underlying stream. Read more§fn take_while<F>(self, f: F) -> TakeWhile<Self, F>where
F: FnMut(&Self::Item) -> bool,
Self: Sized,
fn take_while<F>(self, f: F) -> TakeWhile<Self, F>where F: FnMut(&Self::Item) -> bool, Self: Sized,
true
. Read more§fn skip(self, n: usize) -> Skip<Self>where
Self: Sized,
fn skip(self, n: usize) -> Skip<Self>where Self: Sized,
n
first items of the
underlying stream. Read more§fn skip_while<F>(self, f: F) -> SkipWhile<Self, F>where
F: FnMut(&Self::Item) -> bool,
Self: Sized,
fn skip_while<F>(self, f: F) -> SkipWhile<Self, F>where F: FnMut(&Self::Item) -> bool, Self: Sized,
true
. Read more§fn all<F>(&mut self, f: F) -> AllFuture<'_, Self, F>where
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fn all<F>(&mut self, f: F) -> AllFuture<'_, Self, F>where Self: Unpin, F: FnMut(Self::Item) -> bool,
§fn any<F>(&mut self, f: F) -> AnyFuture<'_, Self, F>where
Self: Unpin,
F: FnMut(Self::Item) -> bool,
fn any<F>(&mut self, f: F) -> AnyFuture<'_, Self, F>where Self: Unpin, F: FnMut(Self::Item) -> bool,
§fn chain<U>(self, other: U) -> Chain<Self, U>where
U: Stream<Item = Self::Item>,
Self: Sized,
fn chain<U>(self, other: U) -> Chain<Self, U>where U: Stream<Item = Self::Item>, Self: Sized,
§fn fold<B, F>(self, init: B, f: F) -> FoldFuture<Self, B, F>where
Self: Sized,
F: FnMut(B, Self::Item) -> B,
fn fold<B, F>(self, init: B, f: F) -> FoldFuture<Self, B, F>where Self: Sized, F: FnMut(B, Self::Item) -> B,
§fn collect<T>(self) -> Collect<Self, T>where
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Self: Sized,
fn collect<T>(self) -> Collect<Self, T>where T: FromStream<Self::Item>, Self: Sized,
§fn timeout(self, duration: Duration) -> Timeout<Self>where
Self: Sized,
fn timeout(self, duration: Duration) -> Timeout<Self>where Self: Sized,
§fn timeout_repeating(self, interval: Interval) -> TimeoutRepeating<Self>where
Self: Sized,
fn timeout_repeating(self, interval: Interval) -> TimeoutRepeating<Self>where Self: Sized,
§impl<T> Tap for T
impl<T> Tap for T
§fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Selfwhere
Self: Borrow<B>,
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of a value. Read more§fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Selfwhere
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BorrowMut<B>
of a value. Read more§fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Selfwhere
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view of a value. Read more§fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere
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view of a value. Read more§fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Selfwhere
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of a value. Read more§fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Selfwhere
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T: ?Sized,
fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Selfwhere Self: DerefMut<Target = T> + Deref, T: ?Sized,
Deref::Target
of a value. Read more§fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self
fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self
.tap()
only in debug builds, and is erased in release builds.§fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self
fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self
.tap_mut()
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builds.§fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Selfwhere
Self: Borrow<B>,
B: ?Sized,
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.tap_borrow()
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B: ?Sized,
fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Selfwhere Self: BorrowMut<B>, B: ?Sized,
.tap_borrow_mut()
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builds.§fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Selfwhere
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R: ?Sized,
fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Selfwhere Self: AsRef<R>, R: ?Sized,
.tap_ref()
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builds.§fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere
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fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere Self: AsMut<R>, R: ?Sized,
.tap_ref_mut()
only in debug builds, and is erased in release
builds.§impl<T> TryConv for T
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§impl<S> TryStreamExt for Swhere
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§fn err_into<E>(self) -> ErrInto<Self, E>where
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§fn map_ok<T, F>(self, f: F) -> MapOk<Self, F>where
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§fn map_err<E, F>(self, f: F) -> MapErr<Self, F>where
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§fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F>where
F: FnMut(Self::Ok) -> Fut,
Fut: TryFuture<Error = Self::Error>,
Self: Sized,
fn and_then<Fut, F>(self, f: F) -> AndThen<Self, Fut, F>where F: FnMut(Self::Ok) -> Fut, Fut: TryFuture<Error = Self::Error>, Self: Sized,
f
. Read more§fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F>where
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Fut: TryFuture<Ok = Self::Ok>,
Self: Sized,
fn or_else<Fut, F>(self, f: F) -> OrElse<Self, Fut, F>where F: FnMut(Self::Error) -> Fut, Fut: TryFuture<Ok = Self::Ok>, Self: Sized,
f
. Read more§fn inspect_ok<F>(self, f: F) -> InspectOk<Self, F>where
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§fn inspect_err<F>(self, f: F) -> InspectErr<Self, F>where
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§fn into_stream(self) -> IntoStream<Self>where
Self: Sized,
fn into_stream(self) -> IntoStream<Self>where Self: Sized,
§fn try_next(&mut self) -> TryNext<'_, Self>where
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fn try_next(&mut self) -> TryNext<'_, Self>where Self: Unpin,
§fn try_for_each<Fut, F>(self, f: F) -> TryForEach<Self, Fut, F>where
F: FnMut(Self::Ok) -> Fut,
Fut: TryFuture<Ok = (), Error = Self::Error>,
Self: Sized,
fn try_for_each<Fut, F>(self, f: F) -> TryForEach<Self, Fut, F>where F: FnMut(Self::Ok) -> Fut, Fut: TryFuture<Ok = (), Error = Self::Error>, Self: Sized,
§fn try_skip_while<Fut, F>(self, f: F) -> TrySkipWhile<Self, Fut, F>where
F: FnMut(&Self::Ok) -> Fut,
Fut: TryFuture<Ok = bool, Error = Self::Error>,
Self: Sized,
fn try_skip_while<Fut, F>(self, f: F) -> TrySkipWhile<Self, Fut, F>where F: FnMut(&Self::Ok) -> Fut, Fut: TryFuture<Ok = bool, Error = Self::Error>, Self: Sized,
true
. Read more§fn try_take_while<Fut, F>(self, f: F) -> TryTakeWhile<Self, Fut, F>where
F: FnMut(&Self::Ok) -> Fut,
Fut: TryFuture<Ok = bool, Error = Self::Error>,
Self: Sized,
fn try_take_while<Fut, F>(self, f: F) -> TryTakeWhile<Self, Fut, F>where F: FnMut(&Self::Ok) -> Fut, Fut: TryFuture<Ok = bool, Error = Self::Error>, Self: Sized,
true
. Read more§fn try_for_each_concurrent<Fut, F>(
self,
limit: impl Into<Option<usize>>,
f: F
) -> TryForEachConcurrent<Self, Fut, F>where
F: FnMut(Self::Ok) -> Fut,
Fut: Future<Output = Result<(), Self::Error>>,
Self: Sized,
fn try_for_each_concurrent<Fut, F>( self, limit: impl Into<Option<usize>>, f: F ) -> TryForEachConcurrent<Self, Fut, F>where F: FnMut(Self::Ok) -> Fut, Fut: Future<Output = Result<(), Self::Error>>, Self: Sized,
§fn try_collect<C>(self) -> TryCollect<Self, C>where
C: Default + Extend<Self::Ok>,
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fn try_collect<C>(self) -> TryCollect<Self, C>where C: Default + Extend<Self::Ok>, Self: Sized,
§fn try_chunks(self, capacity: usize) -> TryChunks<Self>where
Self: Sized,
fn try_chunks(self, capacity: usize) -> TryChunks<Self>where Self: Sized,
§fn try_filter<Fut, F>(self, f: F) -> TryFilter<Self, Fut, F>where
Fut: Future<Output = bool>,
F: FnMut(&Self::Ok) -> Fut,
Self: Sized,
fn try_filter<Fut, F>(self, f: F) -> TryFilter<Self, Fut, F>where Fut: Future<Output = bool>, F: FnMut(&Self::Ok) -> Fut, Self: Sized,
§fn try_filter_map<Fut, F, T>(self, f: F) -> TryFilterMap<Self, Fut, F>where
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F: FnMut(Self::Ok) -> Fut,
Self: Sized,
fn try_filter_map<Fut, F, T>(self, f: F) -> TryFilterMap<Self, Fut, F>where Fut: TryFuture<Ok = Option<T>, Error = Self::Error>, F: FnMut(Self::Ok) -> Fut, Self: Sized,
§fn try_flatten_unordered(
self,
limit: impl Into<Option<usize>>
) -> TryFlattenUnordered<Self>where
Self::Ok: TryStream + Unpin,
<Self::Ok as TryStream>::Error: From<Self::Error>,
Self: Sized,
fn try_flatten_unordered( self, limit: impl Into<Option<usize>> ) -> TryFlattenUnordered<Self>where Self::Ok: TryStream + Unpin, <Self::Ok as TryStream>::Error: From<Self::Error>, Self: Sized,
§fn try_flatten(self) -> TryFlatten<Self>where
Self::Ok: TryStream,
<Self::Ok as TryStream>::Error: From<Self::Error>,
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§fn try_fold<T, Fut, F>(self, init: T, f: F) -> TryFold<Self, Fut, T, F>where
F: FnMut(T, Self::Ok) -> Fut,
Fut: TryFuture<Ok = T, Error = Self::Error>,
Self: Sized,
fn try_fold<T, Fut, F>(self, init: T, f: F) -> TryFold<Self, Fut, T, F>where F: FnMut(T, Self::Ok) -> Fut, Fut: TryFuture<Ok = T, Error = Self::Error>, Self: Sized,
§fn try_concat(self) -> TryConcat<Self>where
Self: Sized,
Self::Ok: Extend<<Self::Ok as IntoIterator>::Item> + IntoIterator + Default,
fn try_concat(self) -> TryConcat<Self>where Self: Sized, Self::Ok: Extend<<Self::Ok as IntoIterator>::Item> + IntoIterator + Default,
§fn try_buffer_unordered(self, n: usize) -> TryBufferUnordered<Self>where
Self::Ok: TryFuture<Error = Self::Error>,
Self: Sized,
fn try_buffer_unordered(self, n: usize) -> TryBufferUnordered<Self>where Self::Ok: TryFuture<Error = Self::Error>, Self: Sized,
§fn try_buffered(self, n: usize) -> TryBuffered<Self>where
Self::Ok: TryFuture<Error = Self::Error>,
Self: Sized,
fn try_buffered(self, n: usize) -> TryBuffered<Self>where Self::Ok: TryFuture<Error = Self::Error>, Self: Sized,
§fn try_poll_next_unpin(
&mut self,
cx: &mut Context<'_>
) -> Poll<Option<Result<Self::Ok, Self::Error>>>where
Self: Unpin,
fn try_poll_next_unpin( &mut self, cx: &mut Context<'_> ) -> Poll<Option<Result<Self::Ok, Self::Error>>>where Self: Unpin,
TryStream::try_poll_next
] on Unpin
stream types.§fn into_async_read(self) -> IntoAsyncRead<Self>where
Self: Sized + TryStreamExt<Error = Error>,
Self::Ok: AsRef<[u8]>,
fn into_async_read(self) -> IntoAsyncRead<Self>where Self: Sized + TryStreamExt<Error = Error>, Self::Ok: AsRef<[u8]>,
AsyncBufRead
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