Comments explaining tiny map functions

alice-i-cecile · alice-i-cecile · commit 0ca992e45fdb · 2021-05-11T17:19:48.000-04:00
diff --git a/crates/bevy_ecs/src/event.rs b/crates/bevy_ecs/src/event.rs
@@ -247,10 +247,12 @@ impl<T: Component> Events<T> {
     }
 }
 
+// Used in internal_event_reader instead of a closure to ensure stable type
 fn map_instance_event_with_id<T>(event_instance: &EventInstance<T>) -> (&T, EventId<T>) {
     (&event_instance.event, event_instance.event_id)
 }
 
+// Used in internal_event_reader instead of a closure to ensure stable type
 fn map_instance_event<T>(event_instance: &EventInstance<T>) -> &T {
     &event_instance.event
 }

Original file line number	Diff line number	Diff line change
`@@ -247,10 +247,12 @@ impl<T: Component> Events<T> {`
`247`	`247`	`}`
`248`	`248`	`}`
`249`	`249`
	`250`	`+// Used in internal_event_reader instead of a closure to ensure stable type`
`250`	`251`	`fn map_instance_event_with_id<T>(event_instance: &EventInstance<T>) -> (&T, EventId<T>) {`
`251`	`252`	`(&event_instance.event, event_instance.event_id)`
`252`	`253`	`}`
`253`	`254`
	`255`	`+// Used in internal_event_reader instead of a closure to ensure stable type`
`254`	`256`	`fn map_instance_event<T>(event_instance: &EventInstance<T>) -> &T {`
`255`	`257`	`&event_instance.event`
`256`	`258`	`}`