Enum Error

pub enum Error {
    NeedArgument(String),
    Unexpected(String),
}

Error type. Each will print to a friendly string.

Variants

NeedArgument(String)

Error describing that an argument was needed, but not available (i.e. underflow in arguments).

Unexpected(String)

Error describing an unexpected flag that was not defined, including free arguments that were not sent to a callback.

Trait Implementations

impl Clone for Error

fn clone(&self) -> Error

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Error

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

Formats the value using the given formatter.

impl Display for Error

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

Formats the value using the given formatter.

impl PartialEq for Error

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for Error

impl StructuralPartialEq for Error