refactor(ecs): replace Pair ctor functions with builder

1 files changed, 32 insertions, 5 deletions

diff --git a/ecs/examples/event_loop.rs b/ecs/examples/event_loop.rs
index cc2f7f4..bec2c00 100644
--- a/ecs/examples/event_loop.rs
+++ b/ecs/examples/event_loop.rs
@@ -65,11 +65,38 @@ fn age(query: Query<(&mut Health, &Name)>, mut actions: Actions)
     }
 }
 
-declare_entity!(SHEER_PHASE, (Phase, Pair::new::<ChildOf>(*UPDATE_PHASE)));
-
-declare_entity!(FEED_PHASE, (Phase, Pair::new::<ChildOf>(*SHEER_PHASE)));
-
-declare_entity!(AGE_PHASE, (Phase, Pair::new::<ChildOf>(*FEED_PHASE)));
+declare_entity!(
+    SHEER_PHASE,
+    (
+        Phase,
+        Pair::builder()
+            .relation::<ChildOf>()
+            .target_id(*UPDATE_PHASE)
+            .build()
+    )
+);
+
+declare_entity!(
+    FEED_PHASE,
+    (
+        Phase,
+        Pair::builder()
+            .relation::<ChildOf>()
+            .target_id(*SHEER_PHASE)
+            .build()
+    )
+);
+
+declare_entity!(
+    AGE_PHASE,
+    (
+        Phase,
+        Pair::builder()
+            .relation::<ChildOf>()
+            .target_id(*FEED_PHASE)
+            .build()
+    )
+);
 
 fn main()
 {