From 46a4bfc47810865c587f20b0f2801925d3a3eac5 Mon Sep 17 00:00:00 2001
From: Micha Reiser <micha@reiser.io>
Date: Sun, 4 Jan 2026 19:58:30 +0100
Subject: [PATCH] [ty] Use default `HashSet` for `TypeCollector` (#22368)

---
 crates/ty_python_semantic/src/types/visitor.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/crates/ty_python_semantic/src/types/visitor.rs b/crates/ty_python_semantic/src/types/visitor.rs
index 73a31c5f33..38ef7538ce 100644
--- a/crates/ty_python_semantic/src/types/visitor.rs
+++ b/crates/ty_python_semantic/src/types/visitor.rs
@@ -1,5 +1,7 @@
+use rustc_hash::FxHashSet;
+
 use crate::{
-    Db, FxIndexSet,
+    Db,
     types::{
         BoundMethodType, BoundSuperType, BoundTypeVarInstance, CallableType, GenericAlias,
         IntersectionType, KnownBoundMethodType, KnownInstanceType, NominalInstanceType,
@@ -277,7 +279,7 @@ pub(crate) fn walk_type_with_recursion_guard<'db>(
 }
 
 #[derive(Default, Debug)]
-pub(crate) struct TypeCollector<'db>(RefCell<FxIndexSet<Type<'db>>>);
+pub(crate) struct TypeCollector<'db>(RefCell<FxHashSet<Type<'db>>>);
 
 impl<'db> TypeCollector<'db> {
     pub(crate) fn type_was_already_seen(&self, ty: Type<'db>) -> bool {