Enum Error 

pub enum Error {
    Abort,
    InvalidData(String),
    InvalidInput(String),
    IO(String),
}

Raft 库错误类型。

Variants

Abort

操作被中止，必须重试。常见于 Raft 领导者变更等场景。 用此错误代替在 Raft 内实现复杂的重试与重放保护逻辑。

InvalidData(String)

非法数据，通常是解码错误或意外的内部值。

InvalidInput(String)

非法用户输入。

IO(String)

IO 错误。

Implementations

impl Error

pub fn is_deterministic(&self) -> bool

判断错误是否为确定性错误。

Raft 状态机应用需要知道命令失败是否由输入命令本身决定： 若是，则该命令可视为已应用，错误可返回给客户端； 否则状态机必须 panic，以免节点状态分叉。

Trait Implementations

impl Clone for Error

fn clone(&self) -> Error

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Error

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Error

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Display for Error

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

Formats the value using the given formatter.

impl Error for Error

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<DecodeError> for Error

fn from(err: DecodeError) -> Self

Converts to this type from the input type.

impl From<EncodeError> for Error

fn from(err: EncodeError) -> Self

Converts to this type from the input type.

impl<T> From<Error> for Result<T>

fn from(error: Error) -> Self

Converts to this type from the input type.

impl From<Error> for Error

fn from(err: Error) -> Self

Converts to this type from the input type.

impl From<FromUtf8Error> for Error

fn from(err: FromUtf8Error) -> Self

Converts to this type from the input type.

impl<T> From<PoisonError<T>> for Error

fn from(err: PoisonError<T>) -> Self

Converts to this type from the input type.

impl From<RecvError> for Error

fn from(err: RecvError) -> Self

Converts to this type from the input type.

impl<T> From<SendError<T>> for Error

fn from(err: SendError<T>) -> Self

Converts to this type from the input type.

impl From<TryFromIntError> for Error

fn from(err: TryFromIntError) -> Self

Converts to this type from the input type.

impl From<TryFromSliceError> for Error

fn from(err: TryFromSliceError) -> Self

Converts to this type from the input type.

impl From<TryRecvError> for Error

fn from(err: TryRecvError) -> Self

Converts to this type from the input type.

impl<T> From<TrySendError<T>> for Error

fn from(err: TrySendError<T>) -> Self

Converts to this type from the input type.

impl PartialEq for Error

fn eq(&self, other: &Error) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for Error

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Error