Enum feattle::UpdateError

pub enum UpdateError<PersistError> where
    PersistError: 'static + Error + Send + Sync,  {
    NeverReloaded,
    UnknownKey(String),
    Parsing(FromJsonError),
    Persistence(PersistError),
}

The error type returned by Feattles::update()

Variants

NeverReloaded

Cannot update because current values were never successfully loaded from the persist layer

UnknownKey(String)

The key is unknown

Parsing(FromJsonError)

Failed to parse the value from JSON

Persistence(PersistError)

Failed to persist new state

Trait Implementations

impl<PersistError> Debug for UpdateError<PersistError> where
    PersistError: 'static + Error + Send + Sync + Debug, 

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

Formats the value using the given formatter.

impl<PersistError> Display for UpdateError<PersistError> where
    PersistError: 'static + Error + Send + Sync, 

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

Formats the value using the given formatter.

impl<PersistError> Error for UpdateError<PersistError> where
    PersistError: 'static + Error + Send + Sync, 

fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any.

fn backtrace(&self) -> Option<&Backtrace>

🔬 This is a nightly-only experimental API. (backtrace)

Returns a stack backtrace, if available, of where this error occurred.

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

impl<PersistError> From<FromJsonError> for UpdateError<PersistError> where
    PersistError: 'static + Error + Send + Sync, 

fn from(source: FromJsonError) -> UpdateError<PersistError>

Performs the conversion.

impl<PersistError> From<UpdateError<PersistError>> for RenderError<PersistError> where
    PersistError: 'static + Error + Send + Sync, 

fn from(source: UpdateError<PersistError>) -> RenderError<PersistError>

Performs the conversion.