Struct tokens::DefaultChangeToken

pub struct DefaultChangeToken { /* private fields */ }

Represents a default ChangeToken that may change zero or more times.

Implementations

impl DefaultChangeToken

pub fn new() -> Self

Initializes a new default change token.

pub fn notify(&self)

Notifies any registered callbacks of a change.

Trait Implementations

impl ChangeToken for DefaultChangeToken

fn changed(&self) -> bool

Gets a value that indicates if a change has occurred.

fn register( &self, callback: Callback, state: Option<Arc<dyn Any>> ) -> Registration

Registers for a callback that will be invoked when the token has changed.

fn must_poll(&self) -> bool

Indicates if this token will proactively raise callbacks.

impl Default for DefaultChangeToken

fn default() -> DefaultChangeToken

Returns the “default value” for a type.

impl Send for DefaultChangeToken

impl Sync for DefaultChangeToken