Enum QispError 

#[repr(u8)]
pub enum QispError {
    UnknownAsset = 0,
    StaleAsset = 1,
    UnsupportedCrsOrProfile = 2,
    InvalidGeometry = 3,
    ProfileMismatch = 4,
    BudgetExceeded = 5,
    ExactnessUnavailable = 6,
    AuthorizationDenied = 7,
    CancelledOrExpired = 8,
    NonDeterministicDisallowed = 9,
}

Stable QISP error codes (plan §4.3). SPARQL expression errors stay expression errors — they MUST NOT silently become false. Each variant has a stable kebab-case code() for machine-readable diagnostics and Problem-Details type IRIs.

Variants

UnknownAsset = 0

The asset reference does not resolve to a known/valid record.

StaleAsset = 1

The asset reference is syntactically known but its generation is stale.

UnsupportedCrsOrProfile = 2

Unsupported CRS or profile conversion.

InvalidGeometry = 3

Invalid or non-manifold geometry.

ProfileMismatch = 4

Dimension/profile mismatch (e.g. wrong Tensor10D arity/profile).

BudgetExceeded = 5

Output or workspace byte/work budget exceeded.

ExactnessUnavailable = 6

The requested exactness profile is unavailable for this operation.

AuthorizationDenied = 7

Authorization denied.

CancelledOrExpired = 8

The computation was cancelled or its lease expired.

NonDeterministicDisallowed = 9

A non-deterministic backend was requested where it is disallowed.

Implementations

impl QispError

pub const fn code(&self) -> &'static str

Stable, machine-readable kebab-case error code. These strings are part of the profile’s external contract and must not be renamed without a namespace version bump (plan §2.4 “Terms are never silently repurposed”).

pub const fn message(&self) -> &'static str

A short human-readable description (never leaks internal paths/addresses, per plan §7.2 / §10.1 QISP-R04).

Trait Implementations

impl Clone for QispError

fn clone(&self) -> QispError

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for QispError

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

Formats the value using the given formatter.

impl Display for QispError

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

Formats the value using the given formatter.

impl Error for QispError

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 Hash for QispError

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for QispError

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Copy for QispError

impl Eq for QispError

impl StructuralPartialEq for QispError