pub struct ReadDir(_);
fs
only.Expand description
Reads the the entries in a directory.
This struct is returned from the read_dir
function of this module and
will yield instances of DirEntry
. Through a DirEntry
information
like the entry’s path and possibly other metadata can be learned.
A ReadDir
can be turned into a Stream
with ReadDirStream
.
Errors
This stream will return an Err
if there’s some sort of intermittent
IO error during iteration.
Implementations
Polls for the next directory entry in the stream.
This method returns:
Poll::Pending
if the next directory entry is not yet available.Poll::Ready(Ok(Some(entry)))
if the next directory entry is available.Poll::Ready(Ok(None))
if there are no more directory entries in this stream.Poll::Ready(Err(err))
if an IO error occurred while reading the next directory entry.
When the method returns Poll::Pending
, the Waker
in the provided
Context
is scheduled to receive a wakeup when the next directory entry
becomes available on the underlying IO resource.
Note that on multiple calls to poll_next_entry
, only the Waker
from
the Context
passed to the most recent call is scheduled to receive a
wakeup.
Trait Implementations
Auto Trait Implementations
impl RefUnwindSafe for ReadDir
impl UnwindSafe for ReadDir
Blanket Implementations
Mutably borrows from an owned value. Read more
fn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>impl<T> Future for Instrumented<T> where
T: Future, type Output = <T as Future>::Output;
fn instrument(self, span: Span) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>impl<T> Future for Instrumented<T> where
T: Future, type Output = <T as Future>::Output;
impl<T> Future for Instrumented<T> where
T: Future, type Output = <T as Future>::Output;
fn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>impl<T> Future for Instrumented<T> where
T: Future, type Output = <T as Future>::Output;
fn in_current_span(self) -> Instrumented<Self>ⓘNotable traits for Instrumented<T>impl<T> Future for Instrumented<T> where
T: Future, type Output = <T as Future>::Output;
impl<T> Future for Instrumented<T> where
T: Future, type Output = <T as Future>::Output;
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>impl<T> Future for WithDispatch<T> where
T: Future, type Output = <T as Future>::Output;
where
S: Into<Dispatch>,
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>impl<T> Future for WithDispatch<T> where
T: Future, type Output = <T as Future>::Output;
where
S: Into<Dispatch>,
impl<T> Future for WithDispatch<T> where
T: Future, type Output = <T as Future>::Output;
Attaches the provided Subscriber
to this type, returning a
WithDispatch
wrapper. Read more
fn with_current_subscriber(self) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>impl<T> Future for WithDispatch<T> where
T: Future, type Output = <T as Future>::Output;
fn with_current_subscriber(self) -> WithDispatch<Self>ⓘNotable traits for WithDispatch<T>impl<T> Future for WithDispatch<T> where
T: Future, type Output = <T as Future>::Output;
impl<T> Future for WithDispatch<T> where
T: Future, type Output = <T as Future>::Output;
Attaches the current default Subscriber
to this type, returning a
WithDispatch
wrapper. Read more