Enum rustop::ArgError

pub enum ArgError {
    MissingArgument,
    UnexpectedArgument(String),
    ParseError(Box<Error>),
}

An error when parsing an argument of an option or parameter.

Variants

MissingArgument

Required argument is missing.

UnexpectedArgument(String)

An unexpected argument has been found (e.g. for a flag).

ParseError(Box<Error>)

Error parsing the string to the required argument type.

Trait Implementations

impl Debug for ArgError

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Display for ArgError

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

Formats the value using the given formatter.

impl Error for ArgError

fn description(&self) -> &str

A short description of the error.

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

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