Shorter Debug formatting of LayerId

crates/egui/src/layers.rs

@@ -60,7 +60,7 @@ impl Order {
 
 /// An identifier for a paint layer.
 /// Also acts as an identifier for [`crate::Area`]:s.
-#[derive(Clone, Copy, Debug, Hash, Eq, PartialEq)]
+#[derive(Clone, Copy, Hash, Eq, PartialEq)]
 #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
 pub struct LayerId {
     pub order: Order,
@@ -102,6 +102,13 @@ impl LayerId {
     }
 }
 
+impl std::fmt::Debug for LayerId {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        let Self { order, id } = self;
+        write!(f, "LayerId {{ {order:?} {id:?} }}")
+    }
+}
+
 /// A unique identifier of a specific [`Shape`] in a [`PaintList`].
 
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]