From ab2fa8a93de33ccb17ee1efd6f9b8858a8b79253 Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Fri, 10 Jan 2025 15:09:33 +0100
Subject: refactor(ecs): add struct for querying using component metadata

---
 ecs/src/component.rs | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

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

diff --git a/ecs/src/component.rs b/ecs/src/component.rs
index 4d37cb8..35e5430 100644
--- a/ecs/src/component.rs
+++ b/ecs/src/component.rs
@@ -180,7 +180,9 @@ pub trait RefSequence
 {
     type Handles<'component>;
 
-    fn metadata() -> impl Array<Metadata>;
+    type Metadata: Array<Metadata>;
+
+    fn metadata() -> Self::Metadata;
 
     fn from_components<'component>(
         components: &'component [EntityComponent],
@@ -330,7 +332,9 @@ macro_rules! inner {
             {
                 type Handles<'component> = (#(CompRef~I::Handle<'component>,)*);
 
-                fn metadata() -> impl Array<Metadata>
+                type Metadata = [Metadata; $c + 1];
+
+                fn metadata() -> Self::Metadata
                 {
                     [#(
                         Metadata {
@@ -397,8 +401,9 @@ impl Sequence for ()
 impl RefSequence for ()
 {
     type Handles<'component> = ();
+    type Metadata = [Metadata; 0];
 
-    fn metadata() -> impl Array<Metadata>
+    fn metadata() -> Self::Metadata
     {
         []
     }
-- 
cgit v1.2.3-18-g5258