From 790c746a35d59be5070c40d6ca1f71cc9a2d094b Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Mon, 2 Nov 2026 03:33:04 +0100
Subject: feat(engine-ecs): add marker component for soles

---
 engine-ecs/src/sole.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'engine-ecs/src/sole.rs')

diff --git a/engine-ecs/src/sole.rs b/engine-ecs/src/sole.rs
index 9168414..cf5283b 100644
--- a/engine-ecs/src/sole.rs
+++ b/engine-ecs/src/sole.rs
@@ -7,7 +7,7 @@ use crate::component::{
     WithAssociatedId as ComponentWithAssociatedId,
 };
 use crate::system::{Metadata as SystemMetadata, Param as SystemParam};
-use crate::World;
+use crate::{Component, World};
 
 /// A component which has a single instance in the [`World`].
 pub trait Sole: Any + IntoComponentParts + ComponentWithAssociatedId
@@ -20,6 +20,11 @@ pub trait Sole: Any + IntoComponentParts + ComponentWithAssociatedId
     fn name(&self) -> &'static str;
 }
 
+/// Marker component for the entities of soles.
+#[derive(Debug, Component)]
+#[non_exhaustive]
+pub struct Is;
+
 /// Holds a reference to a singleton component.
 #[derive(Debug)]
 pub struct Single<'world, SoleT: Sole>
-- 
cgit v1.2.3-18-g5258