From a2eb0a235b738864a107eb9d859878c68f7d5bbf Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Mon, 5 Aug 2024 23:22:49 +0200
Subject: fix(ecs): always sort components & component metadata

---
 ecs/src/util.rs | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 ecs/src/util.rs

(limited to 'ecs/src/util.rs')

diff --git a/ecs/src/util.rs b/ecs/src/util.rs
new file mode 100644
index 0000000..f4f8632
--- /dev/null
+++ b/ecs/src/util.rs
@@ -0,0 +1,48 @@
+pub trait Sortable
+{
+    type Item;
+
+    fn sort_by_key_b<Key, Func>(&mut self, func: Func)
+    where
+        Func: FnMut(&Self::Item) -> Key,
+        Key: Ord;
+}
+
+impl<Item> Sortable for [Item]
+{
+    type Item = Item;
+
+    fn sort_by_key_b<Key, Func>(&mut self, func: Func)
+    where
+        Func: FnMut(&Self::Item) -> Key,
+        Key: Ord,
+    {
+        self.sort_by_key(func)
+    }
+}
+
+impl<Item, const LENGTH: usize> Sortable for [Item; LENGTH]
+{
+    type Item = Item;
+
+    fn sort_by_key_b<Key, Func>(&mut self, func: Func)
+    where
+        Func: FnMut(&Self::Item) -> Key,
+        Key: Ord,
+    {
+        self.sort_by_key(func)
+    }
+}
+
+impl<Item> Sortable for Vec<Item>
+{
+    type Item = Item;
+
+    fn sort_by_key_b<Key, Func>(&mut self, func: Func)
+    where
+        Func: FnMut(&Self::Item) -> Key,
+        Key: Ord,
+    {
+        self.sort_by_key(func)
+    }
+}
-- 
cgit v1.2.3-18-g5258