perf(ecs): create string in Storage::push_entity log with cap

1 files changed, 7 insertions, 5 deletions

diff --git a/ecs/src/component/storage.rs b/ecs/src/component/storage.rs
index e1523df..5098c5f 100644
--- a/ecs/src/component/storage.rs
+++ b/ecs/src/component/storage.rs
@@ -96,11 +96,13 @@ impl Storage
         #[cfg(feature = "debug")]
         tracing::debug!(
             "Pushing entity with components: ({})",
-            components
-                .iter()
-                .map(|component| component.type_name())
-                .collect::<Vec<_>>()
-                .join(", ")
+            &components.iter().fold(
+                String::with_capacity(components.len() * 25),
+                |mut acc, component| {
+                    acc.extend([", ", component.type_name()]);
+                    acc
+                }
+            )[2..]
         );
 
         let archetype_id = ArchetypeId::from_components_metadata(