Attribute Macro event

#[event]

Registers the annotated Event upon the given #[butler_plugin] being built.

Usage

On a struct

#[derive(Event)]
#[event(plugin = MyPlugin)]
struct MessageReceived(String);

On an imported type

#[event(plugin = MyPlugin)]
use my_mod::ModMessageReceived;

On a type alias

#[event(plugin = MyPlugin)]
type MyMessage = ExternalEventMessage<String>;

Arguments

plugin (Required)

A Plugin annotated with #[butler_plugin] to register this resource to.

generics

A list of generic arguments to register the event with. Used to register a generic event for multiple different types.