Struct UnknownVariant 

pub struct UnknownVariant {
    pub kind: &'static str,
    pub value: String,
}

Error returned by TryFrom<&str> and FromStr parsers when an unknown enum name is encountered. Each enum in this crate uses this type to preserve a uniform error surface across the vocabulary.

Fields

kind: &'static str

The enum name (e.g. "Severity").

value: String

The unrecognised input.

Trait Implementations

impl Debug for UnknownVariant

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

Formats the value using the given formatter.

impl Display for UnknownVariant

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

Formats the value using the given formatter.

impl Error for UnknownVariant

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.