Enum TaskStoreError 

pub enum TaskStoreError {
    NotFound {
        task_id: String,
    },
    InvalidTransition {
        task_id: String,
        from: TaskStatus,
        to: TaskStatus,
    },
    Expired {
        task_id: String,
    },
    Internal {
        message: String,
    },
}

Available on non-WebAssembly only.

Errors returned by TaskStore operations.

Variants

NotFound

The requested task was not found (or belongs to a different owner).

Fields

task_id: String

The task ID that was looked up.

InvalidTransition

The requested state transition is invalid per the MCP state machine.

Fields

task_id: String

The task ID.

from: TaskStatus

Current status.

to: TaskStatus

Attempted target status.

Expired

The task has expired (TTL elapsed).

Fields

task_id: String

The task ID.

Internal

An internal error occurred.

Fields

message: String

Human-readable error message.

Trait Implementations

impl Debug for TaskStoreError

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

Formats the value using the given formatter.

impl Display for TaskStoreError

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

Formats the value using the given formatter.

impl Error for TaskStoreError

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<TaskStoreError> for Error

fn from(err: TaskStoreError) -> Self

Converts to this type from the input type.