Enum mqtt_async_client::Error

pub enum Error {
    Disconnected,
    StdError(Box<dyn Error + Send + Sync>),
    String(String),
    // some variants omitted
}

Errors returned by the library.

Variants

Disconnected

The client is disconnected.

StdError(Box<dyn Error + Send + Sync>)

An error represented by an implementation of std::error::Error.

String(String)

An error represented as a String.

Implementations

impl Error

pub fn from_std_err<T: Error + Send + Sync + 'static>(e: T) -> Error

Construct an error instance from an implementation of std::error::Error.

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<(), Error>

Formats the value using the given formatter.

impl Error for Error

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.

pub fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

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

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

impl From<&'_ str> for Error

fn from(s: &str) -> Error

Performs the conversion.

impl From<Error> for Error

fn from(e: Error) -> Error

Performs the conversion.

impl From<Error> for Error

fn from(e: Error) -> Error

Performs the conversion.

impl From<String> for Error

fn from(s: String) -> Error

Performs the conversion.