1 files changed, 18 insertions, 0 deletions
diff --git a/ecs/src/util.rs b/ecs/src/util.rs
index 0344e89..4ba8597 100644
--- a/ecs/src/util.rs
+++ b/ecs/src/util.rs
@@ -1,5 +1,18 @@
 use std::ops::BitAnd;
 
+pub trait Array<Item>:
+    AsRef<[Item]>
+    + AsMut<[Item]>
+    + IntoIterator<Item = Item>
+    + Sortable<Item = Item>
+    + sealed::Sealed
+{
+}
+
+impl<Item, const CNT: usize> Array<Item> for [Item; CNT] {}
+
+impl<Item, const CNT: usize> sealed::Sealed for [Item; CNT] {}
+
 pub trait Sortable
 {
     type Item;
@@ -115,6 +128,11 @@ macro_rules! gen_mask_64 {
 
 pub(crate) use gen_mask_64;
 
+mod sealed
+{
+    pub trait Sealed {}
+}
+
 #[cfg(test)]
 mod tests
 {