Struct capnp::Error

pub struct Error {
    pub kind: ErrorKind,
    pub description: String,
}

Describes an arbitrary error that prevented an operation from completing.

Fields

kind: ErrorKind

The general kind of the error. Code that decides how to respond to an error should read only this field in making its decision.

description: String

Human-readable failure description.

Implementations

impl Error

pub fn failed(description: String) -> Error

pub fn overloaded(description: String) -> Error

pub fn disconnected(description: String) -> Error

pub fn unimplemented(description: String) -> Error

Trait Implementations

impl Clone for Error

fn clone(&self) -> Error

Returns a copy of the value.

pub 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 Display for Error

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

Formats the value using the given formatter.

impl Error for Error

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

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

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

pub fn backtrace(&self) -> Option<&Backtrace>

🔬 This is a nightly-only experimental API. (backtrace)

Returns a stack backtrace, if available, of where this error occurred.

impl From<Error> for Error

fn from(err: Error) -> Error

Performs the conversion.

impl From<FromUtf8Error> for Error

fn from(err: FromUtf8Error) -> Error

Performs the conversion.

impl From<NotInSchema> for Error

fn from(e: NotInSchema) -> Error

Performs the conversion.

impl From<Utf8Error> for Error

fn from(err: Utf8Error) -> Error

Performs the conversion.