Struct uucore::error::UUsageError

pub struct UUsageError {
    pub code: i32,
    pub message: String,
}

Fields

code: i32

message: String

Implementations

impl UUsageError

pub fn new<S: Into<String>>(code: i32, message: S) -> Box<dyn UError>

Trait Implementations

impl Debug for UUsageError

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

Formats the value using the given formatter.

impl Display for UUsageError

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

Formats the value using the given formatter.

impl Error for UUsageError

fn source(&self) -> Option<&(dyn Error + 'static)>

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, demand: &mut Demand<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type based access to context intended for error reports.

impl UError for UUsageError

fn code(&self) -> i32

Error code of a custom error.

fn usage(&self) -> bool

Print usage help to a custom error.