fix(engine-ecs): exclude empty items in ArrayVec Debug fmt output

1 files changed, 13 insertions, 1 deletions

diff --git a/engine-ecs/src/util/array_vec.rs b/engine-ecs/src/util/array_vec.rs
index 5863507..3e3344c 100644
--- a/engine-ecs/src/util/array_vec.rs
+++ b/engine-ecs/src/util/array_vec.rs
@@ -1,7 +1,7 @@
+use std::fmt::Debug;
 use std::mem::MaybeUninit;
 use std::ops::{Deref, DerefMut};
 
-#[derive(Debug)]
 pub struct ArrayVec<Item, const CAPACITY: usize>
 {
     items: [MaybeUninit<Item>; CAPACITY],
@@ -153,3 +153,15 @@ impl<Item, const CAPACITY: usize> Drop for ArrayVec<Item, CAPACITY>
         }
     }
 }
+
+impl<Item: Debug, const CAPACITY: usize> Debug for ArrayVec<Item, CAPACITY>
+{
+    fn fmt(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result
+    {
+        formatter
+            .debug_struct("ArrayVec")
+            .field("items", &self.as_ref())
+            .field("len", &self.len)
+            .finish()
+    }
+}