Struct OptionalError

pub struct OptionalError(/* private fields */);

Represents an Option<syn::Error>.

Implementations

impl OptionalError

pub fn new(error: Error) -> Self

Create a new OptionalError with the given error.

pub fn error(&self) -> Option<&Error>

Returns a reference to the contained error, if any.

pub fn error_mut(&mut self) -> Option<&mut Error>

Returns a mutable reference to the contained error, if any.

pub fn take(&mut self) -> Option<Error>

Removes the contained error and returns it, if any.

pub fn replace(&mut self, error: Error) -> Option<Error>

Replaces the contained error with the given one.

Returns the previous error, if any.

pub fn combine(&mut self, error: Error)

Combine the given error with the existing one, initializing it if none currently exists.

pub fn try_throw(self) -> Result<(), Error>

Returns a Result with the contained error, if any.

This can be used for quick and easy early returns.

Trait Implementations

impl Default for OptionalError

fn default() -> OptionalError

Returns the “default value” for a type.