Enum getopts::Fail

pub enum Fail {
    ArgumentMissing(String),
    UnrecognizedOption(String),
    OptionMissing(String),
    OptionDuplicated(String),
    UnexpectedArgument(String),
}

The type returned when the command line does not conform to the expected format. Use the Debug implementation to output detailed information.

Variants

ArgumentMissing(String)

Tuple Fields

0: String

The option requires an argument but none was passed.

UnrecognizedOption(String)

Tuple Fields

0: String

The passed option is not declared among the possible options.

OptionMissing(String)

Tuple Fields

0: String

A required option is not present.

OptionDuplicated(String)

Tuple Fields

0: String

A single occurrence option is being used multiple times.

UnexpectedArgument(String)

Tuple Fields

0: String

There’s an argument being passed to a non-argument option.

Trait Implementations

impl Clone for Fail

fn clone(&self) -> Fail

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Fail

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

Formats the value using the given formatter.

impl Display for Fail

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

Formats the value using the given formatter.

impl Error for Fail

fn description(&self) -> &str

👎 Deprecated since 1.42.0:

use the Display impl or to_string()

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

The lower-level source of this error, if any.

fn backtrace(&self) -> Option<&Backtrace>

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

Returns a stack backtrace, if available, of where this error occurred.

fn cause(&self) -> Option<&dyn Error>

👎 Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

impl PartialEq<Fail> for Fail

fn eq(&self, other: &Fail) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Fail) -> bool

This method tests for !=.

impl Eq for Fail

impl StructuralEq for Fail

impl StructuralPartialEq for Fail