Enum coi::Error

pub enum Error {
    KeyNotFound(String),
    TypeMismatch(String),
    Inner(Box<dyn Error + Send + Sync + 'static>),
}

Errors produced by this crate

Variants

KeyNotFound(String)

This key was not found in the container. Either the requested resource was never registered with this container, or there is a typo in the register or resolve calls.

TypeMismatch(String)

The requested key was found in the container, but its type did not match the requested type.

Inner(Box<dyn Error + Send + Sync + 'static>)

Wrapper around errors produced by Providers.

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, __formatter: &mut Formatter) -> Result

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.

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

Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

impl From<Box<dyn Error + 'static + Sync + Send>> for Error

fn from(source: Box<dyn Error + Send + Sync + 'static>) -> Self

Performs the conversion.