Struct lifeline::subscription::SubscriptionState

pub struct SubscriptionState<T> {
    pub subscriptions: HashMap<T, usize>,
}

Represents the current subscription state of the channel.

Fields

subscriptions: HashMap<T, usize>

Implementations

impl<T: Hash + Eq> SubscriptionState<T>

pub fn contains(&self, id: &T) -> bool

Returns true if the subscription channel is currently subscribed to the given identifier

pub fn get(&self, id: &T) -> Option<usize>

Returns a unique index for the subscription on the given identifier, or None if the channel is not subscribed to the identifier.

Trait Implementations

impl<T: Clone> Clone for SubscriptionState<T>

fn clone(&self) -> SubscriptionState<T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: Debug> Debug for SubscriptionState<T>

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

Formats the value using the given formatter.

impl<T> Default for SubscriptionState<T> where
    T: Hash + PartialEq, 

fn default() -> Self

Returns the "default value" for a type.

impl<T> Receiver<SubscriptionState<T>> for Receiver<T> where
    T: Clone + Debug + Send + Sync, 

fn recv<'life0, 'async_trait>(
    &'life0 mut self
) -> Pin<Box<dyn Future<Output = Option<SubscriptionState<T>>> + Send + 'async_trait>> where
    'life0: 'async_trait,
    Self: 'async_trait,