Struct Error 

pub struct Error { /* private fields */ }

Error information for this crate.

Implementations

impl Error

pub fn new<E>(kind: ErrorKind, error: E) -> Self

where E: Into<Box<dyn Error + Send + Sync>>,

Constructs a new Error boxing another std::error::Error.

pub fn kind(&self) -> &ErrorKind

The ErrorKind of this Error.

pub fn message(&self) -> Option<&str>

The message provided when this Error was constructed, or None.

pub fn with_message<C>(kind: ErrorKind, message: C) -> Self

where C: Into<Cow<'static, str>>,

Create an Error with a message.

pub fn with_message_fn<F, C>(kind: ErrorKind, message: F) -> Self

where Self: Sized, F: FnOnce() -> C, C: Into<Cow<'static, str>>,

Create an Error using a function to return a message.

pub fn with_error<E, C>(kind: ErrorKind, error: E, message: C) -> Self

where E: Into<Box<dyn Error + Send + Sync>>, C: Into<Cow<'static, str>>,

Create an Error containing another error and a message.

pub fn with_error_fn<E, F, C>(kind: ErrorKind, error: E, message: F) -> Self

where E: Into<Box<dyn Error + Send + Sync>>, F: FnOnce() -> C, C: Into<Cow<'static, str>>,

Create an Error containing another error and using a function to return a message.

Trait Implementations

impl Debug for Error

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

Formats the value using the given formatter.

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<Error> for Error

fn from(error: Error) -> Self

Converts to this type from the input type.

impl From<Error> for Error

fn from(error: Error) -> Self

Converts to this type from the input type.

impl From<Error> for Error

fn from(error: Error) -> Self

Converts to this type from the input type.

impl From<ErrorKind> for Error

fn from(kind: ErrorKind) -> Self

Converts to this type from the input type.