Struct EventEmitter

pub struct EventEmitter { /* private fields */ }

Event emitter for handling component events

Implementations

impl EventEmitter

pub fn new() -> Self

Create a new event emitter

pub fn on<E: Event + 'static>( &mut self, handler: impl Fn(&E) + Send + Sync + 'static, ) -> Result<(), String>

Register an event handler

pub fn emit<E: Event>(&self, event: &E) -> Result<(), String>

Emit an event

pub fn clear(&mut self) -> Result<(), String>

Remove all handlers

Trait Implementations

impl Clone for EventEmitter

fn clone(&self) -> EventEmitter

Returns a copy of the value.

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

Performs copy-assignment from source.

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.