Enum StateExtractError 

pub enum StateExtractError {
    MissingAppState,
    MissingStateType {
        type_name: &'static str,
    },
}

Error returned when state extraction fails.

Variants

MissingAppState

Application state not found in request extensions.

This indicates the server was not configured to inject state into requests.

MissingStateType

Requested state type not found.

The type was not registered with the application state.

Fields

type_name: &'static str

The name of the type that was not found.

Trait Implementations

impl Debug for StateExtractError

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

Formats the value using the given formatter.

impl Display for StateExtractError

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

Formats the value using the given formatter.

impl Error for StateExtractError

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 IntoResponse for StateExtractError

fn into_response(self) -> Response

Convert into a response.