Struct specs::error::BoxedErr

pub struct BoxedErr(pub Box<dyn StdError + Send + Sync + 'static>);

A boxed error implementing Debug, Display and Error.

Methods

impl BoxedErr

pub fn new<T>(err: T) -> Self where
    T: StdError + Send + Sync + 'static, 

Creates a new boxed error.

Trait Implementations

impl AsRef<dyn Error + 'static> for BoxedErr

fn as_ref(&self) -> &(dyn StdError + 'static)

Performs the conversion.

impl Debug for BoxedErr

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

Formats the value using the given formatter.

impl Display for BoxedErr

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

Formats the value using the given formatter.

impl Error for BoxedErr

fn description(&self) -> &str

Deprecated since 1.41.0:

use the Display impl or to_string()

if let Err(e) = "xc".parse::<u32>() { // Print e itself, no need for description(). eprintln!("Error: {}", e); }

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

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

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

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

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

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

Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting