Struct spirit::utils::MissingEquals

pub struct MissingEquals;

An error returned when the user passes a key-value option without equal sign.

Some internal options take a key-value pairs on the command line. If such option is expected, but it doesn’t contain the equal sign, this is the used error.

Trait Implementations

impl Debug for MissingEquals

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

Formats the value using the given formatter.

impl Display for MissingEquals

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

Formats the value using the given formatter.

impl Fail for MissingEquals

fn name(&self) -> Option<&str>

Returns the “name” of the error.

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

Returns a reference to the underlying cause of this failure, if it is an error that wraps other errors.

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

Returns a reference to the Backtrace carried by this failure, if it carries one.

fn context<D>(self, context: D) -> Context<D>where
    D: 'static + Display + Send + Sync,
    Self: Sized,

Provides context for this failure.

fn compat(self) -> Compat<Self>where
    Self: Sized,

Wraps this failure in a compatibility wrapper that implements std::error::Error.