Enum SettingsFileError 

pub enum SettingsFileError {
    Io(Error),
    Parse(Error),
    Migrate(MigrationError),
    Serialize(Error),
    Flush(FlushError),
}

Errors surfaced by SettingsFile operations (and, by extension, every other persisted type in this crate — they all share this error type).

Variants

Io(Error)

An OS-level file I/O error (read, write, or rename).

Parse(Error)

The file’s TOML could not be parsed.

Migrate(MigrationError)

A migration step failed; the file version could not be brought up to T::CURRENT_VERSION.

Serialize(Error)

The in-memory value could not be serialized to TOML before writing.

Flush(FlushError)

The debounced background write failed.

Trait Implementations

impl Debug for SettingsFileError

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

Formats the value using the given formatter.

impl Display for SettingsFileError

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

Formats the value using the given formatter.

impl Error for SettingsFileError

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<Error> for SettingsFileError

fn from(source: Error) -> Self

Converts to this type from the input type.

impl From<SettingsFileError> for SettingsBundleError

fn from(source: SettingsFileError) -> Self

Converts to this type from the input type.

impl From<SettingsStoreError> for SettingsFileError

Lets SettingsStore::reload_from_disk surface a SettingsFileError via ?, since crate::Reloadable is shared across every persisted type in this crate and standardizes on that error type.

fn from(e: SettingsStoreError) -> Self

Converts to this type from the input type.