Enum Error 

pub enum Error {
    MissingNoun,
    MissingSecondNoun,
    UnknownVerb(String),
    NonBasicAction(Verb),
}

The errors that can be encountered when parsing an Action.

Variants

MissingNoun

Occurs when the Action requires a noun, but none is provided.

MissingSecondNoun

Occurs when the Action requires two nouns, but only one is provided.

UnknownVerb(String)

Occurs when the input does not match any Verb.

NonBasicAction(Verb)

Occurs when the system attempts to wrap a VesselRequest with an Action variant that does not support it.

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

Formats the value using the given formatter.

impl Error for Error

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.