Struct SliceBudget 

pub struct SliceBudget { /* private fields */ }

One combined operation budget for enumeration, invalidation and delivery.

Implementations

impl SliceBudget

pub fn new(limit: u32) -> Self

Share the limit between all partition heads in a Worker alarm.

pub fn with_parent(limit: u32, parent: SliceBudget) -> Self

Share immediate cache operations with the caller’s metadata/blob allowance.

pub fn reset(&self)

Reset once at alarm entry, never once per head or per purge.

pub fn charge(&self, operations: u32) -> bool

Reserve before an operation. Exhaustion produces a durable checkpoint.

pub fn used(&self) -> u32

Consumed operations, for tests and metrics.

Trait Implementations

impl Clone for SliceBudget

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SliceBudget

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

Formats the value using the given formatter.