Struct SubscriptionState 

pub struct SubscriptionState { /* private fields */ }

Available on crate feature extensions only.

Tracks active subscriptions for a client

Implementations

impl SubscriptionState

pub fn new(max_regions: u16) -> Self

Create new subscription state with limit

pub fn apply(&mut self, change: &SubscriptionChange) -> bool

Apply a subscription change

Returns true if the change was applied, false if rejected (e.g., at limit)

pub fn is_subscribed(&self, region_id: u32) -> bool

Check if a region ID is subscribed

pub fn matches_pattern(&self, region_path: &str) -> bool

Check if a region matches any pattern

This is a stub - real implementation would use proper pattern matching

pub fn count(&self) -> usize

Get count of active subscriptions

pub fn is_empty(&self) -> bool

Check if any subscriptions are active

pub fn region_ids(&self) -> impl Iterator<Item = &u32>

Get all subscribed region IDs

pub fn patterns(&self) -> &[String]

Get all patterns

Trait Implementations

impl Clone for SubscriptionState

fn clone(&self) -> SubscriptionState

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SubscriptionState

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

Formats the value using the given formatter.

impl Default for SubscriptionState

fn default() -> SubscriptionState

Returns the “default value” for a type.