From 73910ea95f74a7fe314287bd5de88e2bd334f4d3 Mon Sep 17 00:00:00 2001
From: Pratap Singh <pratapsingh1729@gmail.com>
Date: Fri, 10 Nov 2023 11:31:01 -0500
Subject: [PATCH] Add support for the `rename` item (#7)

This PR adds support for the rename item, which allows use crate as _ (importing the crate without importing its name).
---
 src/lib.rs             | 2 +-
 tests/rustfmt-tests.rs | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/lib.rs b/src/lib.rs
index 0f471b2..b9ef63c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -543,7 +543,7 @@ fn to_doc<'a>(
         Rule::module => unsupported(pair),
         Rule::item_list => unsupported(pair),
         Rule::extern_crate => unsupported(pair),
-        Rule::rename => unsupported(pair),
+        Rule::rename => map_to_doc(ctx, arena, pair),
         Rule::r#use => map_to_doc(ctx, arena, pair),
         Rule::use_tree => map_to_doc(ctx, arena, pair),
         Rule::use_tree_list => comma_delimited(ctx, arena, pair).braces().group(),
diff --git a/tests/rustfmt-tests.rs b/tests/rustfmt-tests.rs
index 5b5312f..65715f3 100644
--- a/tests/rustfmt-tests.rs
+++ b/tests/rustfmt-tests.rs
@@ -345,3 +345,12 @@ type NoSpaceTypeA=NoSpaceTypeB;
 "#;
     compare(file);
 }
+
+#[test]
+fn rust_rename() {
+    let file = r#"
+use crate::parse_serialize::View as _;
+use LongLongLongLongLongLongLongLongLongLongType as LongerLongLongLongLongLongLongLongLongLongLongType;
+"#;
+    compare(file);
+}