Enum ProtocolMachineError 

pub enum ProtocolMachineError {
    Fault {
        coro_id: usize,
        fault: Fault,
    },
    TooManySessions {
        max: usize,
    },
    TooManyCoroutines {
        max: usize,
    },
    SessionNotFound(SessionId),
    HandlerError(EffectFailure),
    PersistenceError(String),
    InvalidConcurrency {
        n: usize,
    },
    InvalidConfig {
        reason: String,
    },
    ThreadPoolBuild {
        message: String,
    },
    InvalidCodeImage {
        reason: String,
    },
    OwnershipContract(String),
}

Errors from ProtocolMachine operations.

Variants

Fault

A coroutine faulted.

Fields

coro_id: usize

Coroutine ID.

fault: Fault

The fault.

TooManySessions

Session limit exceeded.

Fields

max: usize

Maximum allowed.

TooManyCoroutines

Coroutine limit exceeded.

Fields

max: usize

Maximum allowed.

SessionNotFound(SessionId)

Session not found.

HandlerError(EffectFailure)

Effect handler error.

PersistenceError(String)

Persistence model lifecycle error.

InvalidConcurrency

Invalid concurrency parameter.

Fields

n: usize

Requested concurrency.

InvalidConfig

ProtocolMachine configuration violates required runtime invariants.

Fields

reason: String

Validation failure details.

ThreadPoolBuild

Thread-pool initialization failed.

Fields

message: String

Build error details.

InvalidCodeImage

Code image failed runtime validation checks.

Fields

reason: String

Validation failure details.

OwnershipContract(String)

Ownership contract violation surfaced by a preferred host integration path.

Trait Implementations

impl Debug for ProtocolMachineError

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

Formats the value using the given formatter.

impl Display for ProtocolMachineError

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

Formats the value using the given formatter.

impl Error for ProtocolMachineError

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<ProtocolMachineError> for CompositionError

fn from(source: ProtocolMachineError) -> Self

Converts to this type from the input type.