Enum SurvivalPredictError 

pub enum SurvivalPredictError {
    InvalidInput {
        reason: String,
    },
    MissingFitMetadata {
        reason: String,
    },
    IncompatibleSchema {
        reason: String,
    },
    UnsupportedConfiguration {
        reason: String,
    },
    NumericalFailure {
        reason: String,
    },
    ModelPayload {
        context: &'static str,
        source: FittedModelError,
    },
}

Typed errors emitted by the survival prediction pipeline.

Each variant carries a pre-formatted reason string so Display is byte-equivalent to the original format!(...) outputs the module used before the typed-error migration. The category split lets callers pattern-match on the failure kind without dragging the string apart.

Variants

InvalidInput

Request-level input did not satisfy the predict contract: bad offset lengths, malformed time grids, empty grids, non-finite times.

Fields

reason: String

MissingFitMetadata

The saved model is missing metadata required to drive the prediction (anchor, link/distribution tags, likelihood-mode marker, etc.) or carries legacy metadata that the current runtime refuses to consume.

Fields

reason: String

IncompatibleSchema

Saved coefficient blocks, design columns, or baseline-timewiggle runtime dimensions disagree with the rebuilt prediction designs.

Fields

reason: String

UnsupportedConfiguration

The requested combination of saved-model mode and predict-time options is not implemented in this library entry point yet (e.g. uncertainty for non-location-scale, latent window prediction, competing-risks with with_uncertainty).

Fields

reason: String

NumericalFailure

A numerical step (hazard / derivative / survival reconstruction) produced a non-finite or out-of-domain value that downstream code cannot consume.

Fields

reason: String

ModelPayload

Saved-model validation failed below this prediction layer; the model source error keeps its own payload/schema category.

Fields

context: &'static str

source: FittedModelError

Trait Implementations

impl Clone for SurvivalPredictError

fn clone(&self) -> SurvivalPredictError

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SurvivalPredictError

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

Formats the value using the given formatter.

impl Display for SurvivalPredictError

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

Formats the value using the given formatter.

impl Error for SurvivalPredictError

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 From<DataError> for SurvivalPredictError

fn from(err: DataError) -> SurvivalPredictError

Column-resolution failures from resolve_role_col / resolve_col land as InvalidInput since they reflect a mismatch between the caller-supplied predict frame and the model’s expected schema.

impl From<FittedModelError> for SurvivalPredictError

fn from(err: FittedModelError) -> Self

Converts to this type from the input type.

impl From<String> for SurvivalPredictError

fn from(reason: String) -> SurvivalPredictError

Inbound conversion from the many Result<_, String> helpers this module still calls into (basis builders, fit deserializers, term-collection assembly). The text is preserved verbatim; we only pick a category so external messages flow through ? without per-callsite .map_err.

impl From<SurvivalPredictError> for String

fn from(err: SurvivalPredictError) -> String

Converts to this type from the input type.