Struct Unexpected

pub struct Unexpected<T: Debug> { /* private fields */ }

A canonical error for when a grammar simply finds something it doesn’t expect.

Implementations

impl<T: Debug> Unexpected<T>

pub const fn new(val: T) -> Self

Creates a new instance of this type.

Trait Implementations

impl<T: Clone + Debug> Clone for Unexpected<T>

fn clone(&self) -> Unexpected<T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: Debug + Debug> Debug for Unexpected<T>

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

Formats the value using the given formatter.

impl<T: Debug> Display for Unexpected<T>

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

Formats the value using the given formatter.

impl<T: Debug> Error for Unexpected<T>

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

Returns 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, request: &mut Request<'a>)

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

Provides type-based access to context intended for error reports.

impl<T: Copy + Debug> Copy for Unexpected<T>