pub struct SendError<T>(pub T);
🔬This is a nightly-only experimental API. (
mpmc_channel
)Available on crate feature
std
only.Expand description
An error returned from the Sender::send
or SyncSender::send
function on channels.
A send operation can only fail if the receiving end of a channel is disconnected, implying that the data could never be received. The error contains the data being sent as a payload so it can be recovered.
Tuple Fields§
§0: T
🔬This is a nightly-only experimental API. (
mpmc_channel
)Trait Implementations§
1.0.0 · Source§impl<T> Error for SendError<T>
impl<T> Error for SendError<T>
Source§fn description(&self) -> &str ⓘ
fn description(&self) -> &str ⓘ
👎Deprecated since 1.42.0: use the Display impl or to_string()
1.30.0 · Source§fn source(&self) -> Option<&(dyn Error + 'static)> ⓘ
fn source(&self) -> Option<&(dyn Error + 'static)> ⓘ
Returns the lower-level source of this error, if any. Read more
Source§impl<T> From<SendError<T>> for SendTimeoutError<T>
impl<T> From<SendError<T>> for SendTimeoutError<T>
Source§fn from(err: SendError<T>) -> SendTimeoutError<T>
fn from(err: SendError<T>) -> SendTimeoutError<T>
Converts to this type from the input type.
1.24.0 · Source§impl<T> From<SendError<T>> for TrySendError<T>
impl<T> From<SendError<T>> for TrySendError<T>
Source§fn from(err: SendError<T>) -> TrySendError<T>
fn from(err: SendError<T>) -> TrySendError<T>
Converts a SendError<T>
into a TrySendError<T>
.
This conversion always returns a TrySendError::Disconnected
containing the data in the SendError<T>
.
No data is allocated on the heap.
impl<T> Copy for SendError<T>where
T: Copy,
impl<T> Eq for SendError<T>where
T: Eq,
impl<T> StructuralPartialEq for SendError<T>
Auto Trait Implementations§
impl<T> Freeze for SendError<T>where
T: Freeze,
impl<T> RefUnwindSafe for SendError<T>where
T: RefUnwindSafe,
impl<T> Send for SendError<T>where
T: Send,
impl<T> Sync for SendError<T>where
T: Sync,
impl<T> Unpin for SendError<T>where
T: Unpin,
impl<T> UnwindSafe for SendError<T>where
T: UnwindSafe,
Blanket Implementations§
§impl<T> ArchivePointee for T
impl<T> ArchivePointee for T
§type ArchivedMetadata = ()
type ArchivedMetadata = ()
The archived version of the pointer metadata for this type.
§fn pointer_metadata(
_: &<T as ArchivePointee>::ArchivedMetadata,
) -> <T as Pointee>::Metadata
fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata
Converts some archived metadata to the pointer metadata for itself.
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> ByteSized for T
impl<T> ByteSized for T
Source§const BYTE_ALIGN: usize = _
const BYTE_ALIGN: usize = _
The alignment of this type in bytes.
Source§fn byte_align(&self) -> usize ⓘ
fn byte_align(&self) -> usize ⓘ
Returns the alignment of this type in bytes.
Source§fn ptr_size_ratio(&self) -> [usize; 2]
fn ptr_size_ratio(&self) -> [usize; 2]
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T: ?Sized,
impl<T, R> Chain<R> for Twhere
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impl<Q, K> Equivalent<K> for Q
§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compare self to
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and return true
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impl<T> ExtAny for T
Source§fn as_any_mut(&mut self) -> &mut dyn Anywhere
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fn as_any_mut(&mut self) -> &mut dyn Anywhere
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Source§impl<T> ExtMem for Twhere
T: ?Sized,
impl<T> ExtMem for Twhere
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Source§const NEEDS_DROP: bool = _
const NEEDS_DROP: bool = _
Know whether dropping values of this type matters, in compile-time.
Source§fn mem_align_of<T>() -> usize ⓘ
fn mem_align_of<T>() -> usize ⓘ
Returns the minimum alignment of the type in bytes. Read more
Source§fn mem_align_of_val(&self) -> usize ⓘ
fn mem_align_of_val(&self) -> usize ⓘ
Returns the alignment of the pointed-to value in bytes. Read more
Source§fn mem_size_of_val(&self) -> usize ⓘ
fn mem_size_of_val(&self) -> usize ⓘ
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Source§fn mem_needs_drop(&self) -> bool
fn mem_needs_drop(&self) -> bool
Returns
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Self: Sized,
fn mem_forget(self)where
Self: Sized,
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Source§unsafe fn mem_zeroed<T>() -> T
unsafe fn mem_zeroed<T>() -> T
Available on crate feature
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only.Returns the value of type
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represented by the all-zero byte-pattern. Read moreSource§unsafe fn mem_transmute_copy<Src, Dst>(src: &Src) -> Dst
unsafe fn mem_transmute_copy<Src, Dst>(src: &Src) -> Dst
Available on crate feature
unsafe_layout
only.Returns the value of type
T
represented by the all-zero byte-pattern. Read moreSource§fn mem_as_bytes(&self) -> &[u8] ⓘ
fn mem_as_bytes(&self) -> &[u8] ⓘ
Available on crate feature
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§impl<T> Instrument for T
impl<T> Instrument for T
§fn instrument(self, span: Span) -> Instrumented<Self> ⓘ
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§fn in_current_span(self) -> Instrumented<Self> ⓘ
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Source§impl<T> IntoEither for T
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Source§fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
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§impl<T> LayoutRaw for T
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§fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError> ⓘ
fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError> ⓘ
Returns the layout of the type.
§impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
§unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool
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§fn resolve_niched(out: Place<NichedOption<T, N1>>)
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