Trait Event 

pub trait Event:
    Any
    + Send
    + Sync
    + Debug {
    // Required method
    fn as_any(&self) -> &dyn Any;

    // Provided methods
    fn type_id(&self) -> TypeId { ... }
    fn event_name(&self) -> &'static str { ... }
}

Core trait that all events must implement

This trait provides the foundation for type-safe event dispatch. All event types must implement this trait to be used with the dispatcher.

Example

use mod_events::Event;

#[derive(Debug, Clone)]
struct UserRegistered {
    user_id: u64,
    email: String,
}

impl Event for UserRegistered {
    fn as_any(&self) -> &dyn std::any::Any {
        self
    }
}

Required Methods

fn as_any(&self) -> &dyn Any

Returns the event as Any for downcasting.

Provided Methods

fn type_id(&self) -> TypeId

Returns the unique TypeId identifier for this event type.

Equivalent to <Self as Any>::type_id(self) since Event requires the Any supertrait. Both methods are available and return identical values; this one is provided for ergonomics when working with &dyn Event trait objects, where the supertrait method requires a &dyn Any cast first.

fn event_name(&self) -> &'static str

Returns the event name for debugging / logging.

Backed by std::any::type_name. The exact format is not stable across compiler versions — the Rust standard library reserves the right to change type_name output between releases. Treat the result as opaque human-readable text. Do not parse it, persist it, or use it as a stable cross-process identifier; use Event::type_id for that instead.

Implementors