Enum MemoryError 

pub enum MemoryError {
    Store(StoreError),
    InvalidScope(String),
    InvalidBody(String),
    InvalidConfidence(f64),
    NotFound(i64),
    AlreadySuperseded {
        id: i64,
        by: i64,
    },
    Corrupt(String),
    InvalidBudget(String),
}

Errors raised when writing or forgetting a memory record.

Variants

Store(StoreError)

The underlying store failed.

InvalidScope(String)

A scope was empty, over-long, or carried a control character or surrounding whitespace.

InvalidBody(String)

A body was empty, whitespace-only, or longer than MAX_MEMORY_BODY.

InvalidConfidence(f64)

A confidence was offered that is not a probability.

NotFound(i64)

A record was named that is not in the store.

AlreadySuperseded

A record was named as superseded that another record has already superseded. The chain stays a chain: re-pointing it would orphan the successor already recorded.

Fields

id: i64

The record that was to be superseded.

by: i64

The successor already on record.

Corrupt(String)

A stored row could not be interpreted (database corruption).

InvalidBudget(String)

CACHE_BUDGET_ENV was set to something that is not a budget. Refused rather than ignored: running the default under a name that says otherwise is how an operator ends up believing in a bound that was never applied.

Trait Implementations

impl Debug for MemoryError

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

Formats the value using the given formatter.

impl Display for MemoryError

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

Formats the value using the given formatter.

impl Error for MemoryError

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<Error> for MemoryError

fn from(err: Error) -> Self

Converts to this type from the input type.

impl From<StoreError> for MemoryError

fn from(source: StoreError) -> Self

Converts to this type from the input type.