pub enum LookupError {
Connection(String),
Query(String),
Timeout(Duration),
NotAvailable(String),
Internal(String),
}Expand description
Errors from lookup source operations.
Variants§
Connection(String)
Connection to the external system failed.
Query(String)
Query execution failed.
Timeout(Duration)
The operation timed out.
NotAvailable(String)
The source is not available (e.g., not initialized).
Internal(String)
Internal error (cache I/O, codec failure, etc.).
Trait Implementations§
Source§impl Debug for LookupError
impl Debug for LookupError
Source§impl Display for LookupError
impl Display for LookupError
Source§impl Error for LookupError
impl Error for LookupError
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
1.0.0 · Source§fn description(&self) -> &str
fn description(&self) -> &str
👎Deprecated since 1.42.0:
use the Display impl or to_string()
Auto Trait Implementations§
impl Freeze for LookupError
impl RefUnwindSafe for LookupError
impl Send for LookupError
impl Sync for LookupError
impl Unpin for LookupError
impl UnsafeUnpin for LookupError
impl UnwindSafe for LookupError
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
§impl<T> Instrument for T
impl<T> Instrument for T
§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self into a Left variant of Either<Self, Self>
if into_left is true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read more§impl<T> LayoutRaw for T
impl<T> LayoutRaw for T
§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 N2where
T: SharedNiching<N1, N2>,
N1: Niching<T>,
N2: Niching<T>,
impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2where
T: SharedNiching<N1, N2>,
N1: Niching<T>,
N2: Niching<T>,
§impl<T> Pointee for T
impl<T> Pointee for T
§impl<T> PolicyExt for Twhere
T: ?Sized,
impl<T> PolicyExt for Twhere
T: ?Sized,
§impl<T> Scope for T
impl<T> Scope for T
§impl<T> ToStringFallible for Twhere
T: Display,
impl<T> ToStringFallible for Twhere
T: Display,
§fn try_to_string(&self) -> Result<String, TryReserveError>
fn try_to_string(&self) -> Result<String, TryReserveError>
ToString::to_string, but without panic on OOM.