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Add dedup check for events

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hodasemi 2025-04-15 09:54:38 +02:00
parent 50735ddb31
commit 7def5ee520
1 changed files with 2 additions and 0 deletions
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2
update_macros/src/update.rs
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@ -181,6 +181,8 @@ fn events_and_systems(update: &Update) -> TokenStream2 {
P: std::any::Any + Send + Sync, P: std::any::Any + Send + Sync,
{ {
fn add_reader(&mut self, func: Func) { fn add_reader(&mut self, func: Func) {
#( #verify_dedup )*
match self.events.get_mut(&TypeId::of::<P>()) { match self.events.get_mut(&TypeId::of::<P>()) {
Some((_, listener)) => listener.push(std::sync::Arc::new(move |world, payload| { Some((_, listener)) => listener.push(std::sync::Arc::new(move |world, payload| {
let typed_payload: &P = payload.downcast_ref().unwrap(); let typed_payload: &P = payload.downcast_ref().unwrap();