Struct ErrorCallbackHandler

pub struct ErrorCallbackHandler {}

A callback handler that always returns an error.

This is provided for cases in which no callbacks are desired and also demonstrates error handling.

Trait Implementations

impl CallbackHandler for ErrorCallbackHandler

type Data = ()

The type of the callback-provided data.

fn call<'a>( &'a self, _: CallbackDataAndSession<Self::Data>, ) -> Pin<Box<dyn Future<Output = Result<(), Box<dyn StdError + Send>>> + Send + 'a>>

HTTP request to “/callback” has been made with payload which as been deserialized into Self::Data and session data stored in CallbackDataAndSession.

impl Clone for ErrorCallbackHandler

fn clone(&self) -> ErrorCallbackHandler

Returns a duplicate of the value.

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

Performs copy-assignment from source.