Enum SnapshotReadObservationError 

pub enum SnapshotReadObservationError {
    InvalidPrincipal,
    TooManyViewers,
    DuplicateViewer,
}

Typed model observation admission failure; diagnostics retain no raw identities.

Variants

InvalidPrincipal

Principal text is malformed or exceeds its owning boundary.

TooManyViewers

Viewer list exceeds the maintained IC limit.

DuplicateViewer

Equivalent principals cannot create duplicate viewer entries.

Trait Implementations

impl Debug for SnapshotReadObservationError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for SnapshotReadObservationError

fn fmt(&self, __formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for SnapshotReadObservationError

impl Error for SnapshotReadObservationError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl PartialEq for SnapshotReadObservationError

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for SnapshotReadObservationError