Enum TurnError 

#[non_exhaustive]
pub enum TurnError {
    TurnInProgress,
    Provider(ProviderError),
    Internal(BoxError),
}

Reasons why a turn fails.

Rule of thumb: only include errors that make the turn unable to continue. Internal tool failures within a turn, single LLM retry failures, etc. belong in AgentEvent and the historical state machine instead.

Variants (Non-exhaustive)

Non-exhaustive enums could have additional variants added in future. Therefore, when matching against variants of non-exhaustive enums, an extra wildcard arm must be added to account for any future variants.

TurnInProgress

A turn is already in progress for this session.

Provider(ProviderError)

Provider error that still fails after retries are exhausted.

Internal(BoxError)

Internal invariant broken (should be a bug).

Trait Implementations

impl Debug for TurnError

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

Formats the value using the given formatter.

impl Display for TurnError

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

Formats the value using the given formatter.

impl Error for TurnError

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<ProviderError> for TurnError

fn from(source: ProviderError) -> Self

Converts to this type from the input type.