Enum ProjectionKeyError 

pub enum ProjectionKeyError {
    TooLong {
        actual: usize,
        maximum: usize,
    },
    Truncated,
    TrailingBytes,
    TruncatedOrTrailing,
    WrongPurpose,
    UnsupportedVersion,
    InvalidIdentity,
    ZeroProjectionId,
    ZeroGeneration,
    ZeroCommitSequence,
    EmptyGroupKey,
    EmptyComponent,
    TooManyComponents,
    NonScalarComponent,
    InvalidCanonicalComponent,
}

A safe failure to construct or decode a projection identity or key.

Variants

TooLong

The complete key exceeds the durable key hard limit.

Fields

actual: usize

Attempted encoded byte length.

maximum: usize

Maximum encoded byte length.

Truncated

The input ends before a required field is complete.

TrailingBytes

The input contains bytes after its complete fixed shape.

TruncatedOrTrailing

The fixed shape has either missing or trailing bytes.

WrongPurpose

The key belongs to another purpose namespace.

UnsupportedVersion

The key uses an unsupported key format version.

InvalidIdentity

The projection lineage or identity payload is invalid.

ZeroProjectionId

A projection ID uses the forbidden zero sentinel.

ZeroGeneration

A projection generation uses the forbidden zero sentinel.

ZeroCommitSequence

A commit sequence uses the forbidden zero sentinel.

EmptyGroupKey

A complete group key contains no component.

EmptyComponent

A framed component has a forbidden zero byte length.

TooManyComponents

The component count exceeds the v1 hard limit.

NonScalarComponent

Null, list, or record is not a projection group scalar.

InvalidCanonicalComponent

A component is not one exact canonical scalar encoding.

Trait Implementations

impl Clone for ProjectionKeyError

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for ProjectionKeyError

impl Debug for ProjectionKeyError

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

Formats the value using the given formatter.

impl Display for ProjectionKeyError

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

Formats the value using the given formatter.

impl Eq for ProjectionKeyError

impl Error for ProjectionKeyError

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 ProjectionKeyError

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ProjectionKeyError