From cee69d16656fd485c59363bfd6be6b5ab8d86d22 Mon Sep 17 00:00:00 2001
From: Yuya Nishihara <yuya@tcha.org>
Date: Fri, 8 Dec 2023 17:38:20 +0900
Subject: [PATCH] tests: remove index downcast helpers called only by
 as_<type>_composite()

I'm going to rename the impl types, and I don't want to think about the
names of these downcast functions.
---
 lib/tests/test_index.rs | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/lib/tests/test_index.rs b/lib/tests/test_index.rs
index c23ef8e8a..9a0248c63 100644
--- a/lib/tests/test_index.rs
+++ b/lib/tests/test_index.rs
@@ -443,26 +443,20 @@ fn create_n_commits(
     tx.commit()
 }
 
-fn as_readonly_wrapper(repo: &Arc<ReadonlyRepo>) -> &ReadonlyIndexWrapper {
+fn as_readonly_composite(repo: &Arc<ReadonlyRepo>) -> CompositeIndex<'_> {
     repo.readonly_index()
         .as_any()
         .downcast_ref::<ReadonlyIndexWrapper>()
         .unwrap()
+        .as_composite()
 }
 
-fn as_readonly_composite(repo: &Arc<ReadonlyRepo>) -> CompositeIndex<'_> {
-    as_readonly_wrapper(repo).as_composite()
-}
-
-fn as_mutable_impl(repo: &MutableRepo) -> &MutableIndexImpl {
+fn as_mutable_composite(repo: &MutableRepo) -> CompositeIndex<'_> {
     repo.mutable_index()
         .as_any()
         .downcast_ref::<MutableIndexImpl>()
         .unwrap()
-}
-
-fn as_mutable_composite(repo: &MutableRepo) -> CompositeIndex<'_> {
-    as_mutable_impl(repo).as_composite()
+        .as_composite()
 }
 
 fn commits_by_level(repo: &Arc<ReadonlyRepo>) -> Vec<u32> {