Struct NeverCancel 

pub struct NeverCancel;

A Cancel that never signals cancellation. The default for call sites that do not support interruption.

Trait Implementations

impl Cancel for NeverCancel

fn is_cancelled(&self) -> bool

Returns true once the operation should stop as soon as possible.

fn shared_watch(&self) -> Option<Arc<AtomicBool>>

When cancellation is backed by a shared flag (for example FlagCancel), returns it so worker threads can observe the same signal.

impl Clone for NeverCancel

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for NeverCancel

impl Debug for NeverCancel

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

Formats the value using the given formatter.

impl Default for NeverCancel

fn default() -> Self

Returns the “default value” for a type.