add warning to is_empty

bevyengine · May 7, 2022 · a0dd088 · a0dd088
1 parent 8a5b576
commit a0dd088
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/crates/bevy_ecs/src/event.rs b/crates/bevy_ecs/src/event.rs
@@ -286,6 +286,7 @@ impl<'w, 's, T: Resource> EventReader<'w, 's, T> {
 
     /// Determines if there are any events available to be read without consuming any.
     /// If you need to consume the iterator you can use [`EventReader::any`]
+    /// WARNING: `events.is_empty()` is not the same as doing `!events.any()`
     pub fn is_empty(&self) -> bool {
         self.len() == 0
     }