Enum UndoError 

pub enum UndoError {
    NoUndoableAction,
    NothingToRestore {
        id: ActionId,
        reason: String,
    },
    NotUndoable {
        id: ActionId,
        verb: &'static str,
        reason: String,
    },
    Conflicts(Vec<String>),
    Journal(JournalError),
    Snapshot(SnapshotError),
    PartialRolledBack {
        path: String,
        cause: String,
    },
    PartialInconsistent {
        path: String,
        cause: String,
        rollback_failures: Vec<String>,
    },
}

Variants

NoUndoableAction

NothingToRestore

Fields

id: ActionId

reason: String

NotUndoable

Fields

id: ActionId

verb: &'static str

reason: String

Conflicts(Vec<String>)

Journal(JournalError)

Snapshot(SnapshotError)

PartialRolledBack

Fields

path: String

cause: String

PartialInconsistent

Fields

path: String

cause: String

rollback_failures: Vec<String>

Trait Implementations

impl Debug for UndoError

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

Formats the value using the given formatter.

impl Display for UndoError

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

Formats the value using the given formatter.

impl Error for UndoError

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<JournalError> for UndoError

fn from(source: JournalError) -> Self

Converts to this type from the input type.

impl From<SnapshotError> for UndoError

fn from(source: SnapshotError) -> Self

Converts to this type from the input type.