Add events

Author: james7132

Cargo.toml

@@ -22,6 +22,14 @@ crate-type = ["lib"]
 name = "entity_take"
 crate-type = ["lib"]
 
+[[example]]
+name = "event_reader"
+crate-type = ["lib"]
+
+[[example]]
+name = "event_writer"
+crate-type = ["lib"]
+
 [[example]]
 name = "query_iter"
 crate-type = ["lib"]

examples/event_reader.rs

@@ -0,0 +1,12 @@
+use bevy_ecs::prelude::*;
+use std::hint::black_box;
+
+#[derive(Clone)]
+pub struct A(f32);
+
+#[no_mangle]
+fn event_reader(mut event_reader: EventReader<A>)  {
+    for event in event_reader.iter() {
+        black_box(event);
+    }
+}

examples/event_writer.rs

@@ -0,0 +1,10 @@
+use bevy_ecs::prelude::*;
+use std::hint::black_box;
+
+#[derive(Clone)]
+pub struct A(f32);
+
+#[no_mangle]
+fn event_writer(mut event_writer: EventWriter<A>)  {
+    black_box(event_writer.send(A(0.0)));
+}