Struct EventEmitter::EventEmitter

pub struct EventEmitter { /* private fields */ }

Implementations

impl EventEmitter

pub fn new() -> Self

pub fn set_max_listeners(&mut self, max_listeners: usize)

设置最大监听器数量

pub fn get_max_listeners(&self) -> usize

获取最大监听器数量

pub fn add_listener(&self, event: &str, callback: Arc<dyn Fn() + Send + Sync>)

添加事件监听器

pub fn on(&self, event: &str, callback: Arc<dyn Fn() + Send + Sync>)

pub fn remove_listener( &self, event: &str, callback: &Arc<dyn Fn() + Send + Sync> )

移除事件监听器

pub fn off(&self, event: &str, callback: &Arc<dyn Fn() + Send + Sync>)

pub fn emit(&self, event: &str)

添加一次性事件监听器 触发事件

pub fn remove_all_listeners(&self, event: &str)

移除所有事件的所有监听器

pub fn prepend_listener( &self, event: &str, callback: Arc<dyn Fn() + Send + Sync> )

pub fn listeners(&self, event: &str) -> Vec<Arc<dyn Fn() + Send + Sync>>

pub fn listener_count(&self, event: &str) -> usize

获取指定事件的监听器数量