Struct CancellationToken 

pub struct CancellationToken { /* private fields */ }

Propagates notification that operations should be canceled.

Implementations

impl CancellationToken

pub const fn none() -> Self

A token that can never be canceled.

pub fn can_be_canceled(&self) -> bool

Whether this token is capable of being in the canceled state.

pub fn is_cancellation_requested(&self) -> bool

pub fn register( &self, callback: impl FnOnce() + Send + 'static, ) -> CancellationTokenRegistration

Registers a callback that runs when the token is canceled. When the token is already canceled the callback runs immediately.

Trait Implementations

impl Clone for CancellationToken

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Default for CancellationToken

fn default() -> Self

Returns the “default value” for a type.