Enum CommandError

pub enum CommandError {
    InvalidSyntax,
    MissingFlagKey,
    MissingFlagValue,
    MissingVerb,
}

Custom error type for command parsing errors.

Variants

InvalidSyntax

The command syntax is invalid.

MissingFlagKey

A flag is missing its key.

MissingFlagValue

A flag is missing its value.

MissingVerb

The command is missing a verb.

Trait Implementations

impl Debug for CommandError

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

Formats the value using the given formatter.

impl Display for CommandError

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

Formats the value using the given formatter.

impl Error for CommandError

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.