Struct iota_wallet::events::EventEmitter

pub struct EventEmitter {
    handlers: HashMap<WalletEventType, Vec<Box<dyn Fn(&Event) + Send + Sync + 'static>>>,
}

Fields

handlers: HashMap<WalletEventType, Vec<Box<dyn Fn(&Event) + Send + Sync + 'static>>>

Implementations

impl EventEmitter

pub fn new() -> Self

Creates a new instance of EventEmitter.

pub fn on<F>(&mut self, events: Vec<WalletEventType>, handler: F) where
    F: Fn(&Event) + 'static + Clone + Send + Sync, 

Registers function handler as a listener for a WalletEventType. There may be multiple listeners for a single event.

pub fn clear(&mut self, events: Vec<WalletEventType>)

Removes handlers for each given WalletEventType. If no WalletEventType is given, handlers will be removed for all event types.

pub fn emit(&self, account_index: u32, event: WalletEvent)

Invokes all listeners of event, passing a reference to payload as an argument to each of them.

Trait Implementations

impl Debug for EventEmitter

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

Formats the value using the given formatter.

impl Default for EventEmitter

fn default() -> Self

Returns the “default value” for a type.