Struct NoopBackend 

pub struct NoopBackend;

Trait Implementations

impl Debug for NoopBackend

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

Formats the value using the given formatter.

impl Default for NoopBackend

fn default() -> NoopBackend

Returns the “default value” for a type.

impl StorageBackend for NoopBackend

fn load_all(&self) -> Result<HashMap<String, StoredValue>, BackendError>

Load all persisted settings into memory. This method is called at load and on watcher ticks.

fn set(&self, _key: &str, _value: &StoredValue) -> Result<(), BackendError>

Persist a setting to the database.

fn delete(&self, _key: &str) -> Result<(), BackendError>

Remove a setting from the database.

fn watch_changes(&self) -> Option<Receiver<()>>

Subscribe to the backend storage event stream. Default returns None. The returned receiver fires for every change, including own-process writes.