Struct SharedChangeToken

pub struct SharedChangeToken<T: ChangeToken = DefaultChangeToken> { /* private fields */ }

Represents a shared ChangeToken.

Implementations

impl<T: ChangeToken> SharedChangeToken<T>

pub fn new(token: T) -> Self

Initializes a new shared change token.

Arguments

• token - The ChangeToken to be shared

Trait Implementations

impl<T: ChangeToken> AsRef<T> for SharedChangeToken<T>

fn as_ref(&self) -> &T

Converts this type into a shared reference of the (usually inferred) input type.

impl<T: ChangeToken> Borrow<T> for SharedChangeToken<T>

fn borrow(&self) -> &T

Immutably borrows from an owned value.

impl<T: ChangeToken> ChangeToken for SharedChangeToken<T>

fn changed(&self) -> bool

Gets a value that indicates if a change has occurred.

fn must_poll(&self) -> bool

Indicates if this token will proactively raise callbacks.

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

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

impl<T: ChangeToken> Clone for SharedChangeToken<T>

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: ChangeToken + Default> Default for SharedChangeToken<T>

fn default() -> Self

Returns the “default value” for a type.

impl<T: ChangeToken> Deref for SharedChangeToken<T>

type Target = T

The resulting type after dereferencing.

fn deref(&self) -> &Self::Target

Dereferences the value.

impl<T: ChangeToken> From<T> for SharedChangeToken<T>

fn from(token: T) -> Self

Converts to this type from the input type.

impl<T: ChangeToken> Send for SharedChangeToken<T>

impl<T: ChangeToken> Sync for SharedChangeToken<T>