Enum UndoError 

pub enum UndoError {
    Nothing,
    SummaryGone,
    NotInLog,
    Load(SessionError),
}

Why undo_summary put nothing back.

Variants

Nothing

The conversation has no compaction left to undo.

SummaryGone

The newest compaction’s summary is no longer in the conversation.

NotInLog

The session’s log does not hold what it replaced, such as before the compaction was saved.

Load(SessionError)

The session’s log could not be read.

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<SessionError> for UndoError

fn from(source: SessionError) -> Self

Converts to this type from the input type.