summaryrefslogtreecommitdiff
path: root/ecs/src/event
diff options
context:
space:
mode:
Diffstat (limited to 'ecs/src/event')
-rw-r--r--ecs/src/event/component.rs7
1 files changed, 7 insertions, 0 deletions
diff --git a/ecs/src/event/component.rs b/ecs/src/event/component.rs
index b96f23b..1bc39b1 100644
--- a/ecs/src/event/component.rs
+++ b/ecs/src/event/component.rs
@@ -1,5 +1,9 @@
//! Component events.
+use std::convert::Infallible;
+
+use crate::Component;
+
// TODO: Implement
// /// Pair relation for events emitted when:
// /// a) A entity with the target component is spawned.
@@ -13,3 +17,6 @@
// /// b) A entity with the target component is despawned.
// #[derive(Debug, Component)]
// pub struct Removed(Infallible);
+
+#[derive(Debug, Component)]
+pub struct OnChanged(Infallible);