Enum specs::error::NoError

pub enum NoError {}

An error type which cannot be instantiated. Used as a placeholder for associated error types if something cannot fail.

Trait Implementations

impl PartialEq<NoError> for NoError

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

This method tests for self and other values to be equal, and is used by ==.

#[must_use] fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

impl Eq for NoError

impl From<NoError> for Error

fn from(e: NoError) -> Self

Performs the conversion.

impl Debug for NoError

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

Formats the value using the given formatter.

impl Display for NoError

fn fmt(&self, _: &mut Formatter) -> FmtResult

Formats the value using the given formatter.

impl Error for NoError

fn description(&self) -> &str

This method is soft-deprecated.

fn cause(&self) -> Option<&dyn Error>

Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

The lower-level cause of this error, if any.

fn source(&self) -> Option<&(dyn Error + 'static)>

The lower-level source of this error, if any.