Enum LookupError 

pub enum LookupError {
    Message(Cow<'static, str>),
    NoMatch,
    OneMatch(String),
    ManyMatches,
}

Look up error

Alternatives to having an exact match for lookup.

Variants

Message(Cow<'static, str>)

An error message

NoMatch

No matches

OneMatch(String)

One match

ManyMatches

Many matches

Trait Implementations

impl Debug for LookupError

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

Formats the value using the given formatter.

impl Display for LookupError

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

Formats the value using the given formatter.

impl Error for LookupError

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.

impl From<LookupError> for Error

fn from(source: LookupError) -> Self

Converts to this type from the input type.