Struct InvalidationToken 

pub struct InvalidationToken { /* private fields */ }

Shared generation counter for invalidation. Create one per session. When the session changes, call invalidate() to bump the generation.

Implementations

impl InvalidationToken

pub fn new() -> Self

Create a new invalidation token (generation 0).

pub fn invalidate(&self)

Bump the generation, invalidating all existing guards.

pub fn guard(&self) -> ContextGuard

Create a guard that tracks the current generation.

pub fn generation(&self) -> u64

Current generation value.

Trait Implementations

impl Clone for InvalidationToken

fn clone(&self) -> InvalidationToken

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for InvalidationToken

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

Formats the value using the given formatter.

impl Default for InvalidationToken

fn default() -> Self

Returns the “default value” for a type.