Struct CancellationContext 

pub struct CancellationContext { /* private fields */ }

A context that provides access to a cancellation token.

This is passed to handlers to allow them to check for cancellation during execution.

Implementations

impl CancellationContext

pub fn new() -> Self

Creates a new cancellation context with a fresh token.

pub fn token(&self) -> &CancellationToken

Returns the cancellation token for this context.

pub fn cancel(&self)

Requests cancellation for this context’s token.

pub fn was_cancellation_observed(&self) -> bool

Returns true once any handler poll has observed cancellation.

pub fn cancellation_observation_latency(&self) -> Option<Duration>

Returns the first observed cancellation-poll latency from request to observation.

Trait Implementations

impl Clone for CancellationContext

fn clone(&self) -> CancellationContext

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CancellationContext

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

Formats the value using the given formatter.

impl Default for CancellationContext

fn default() -> Self

Returns the “default value” for a type.