Enum FragmentLoweringError 

pub enum FragmentLoweringError {
    CanisterHasNoStores(String),
    CanisterNotFound(String),
    Contract(SchemaContractError),
    GraphNotSealed,
    InvalidDefault(String),
    InvalidReference(String),
    UnsupportedCardinality(String),
}

Failure while projecting one validated host graph into public fragments.

Variants

CanisterHasNoStores(String)

A selected canister has no registered stores.

CanisterNotFound(String)

The selected canister path is not registered.

Contract(SchemaContractError)

The public bounded proposal contract rejected the projection.

GraphNotSealed

Fragment projection requires the immutable post-validation graph.

InvalidDefault(String)

A declared default cannot be represented by the public proposal atom.

InvalidReference(String)

One graph reference no longer resolves to the expected node kind.

UnsupportedCardinality(String)

One authored value cardinality has no accepted proposal representation.

Trait Implementations

impl Debug for FragmentLoweringError

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

Formats the value using the given formatter.

impl Display for FragmentLoweringError

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

Formats the value using the given formatter.

impl Error for FragmentLoweringError

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<SchemaContractError> for FragmentLoweringError

fn from(source: SchemaContractError) -> Self

Converts to this type from the input type.