From 5e4370fe56153df73c51cb532f0f1bf4c261b094 Mon Sep 17 00:00:00 2001
From: Jeroen Vannevel <jer_vannevel@outlook.com>
Date: Fri, 14 Jan 2022 01:20:40 +0000
Subject: [PATCH] happy slice

---
 .../src/handlers/merge_match_arms.rs          | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/crates/ide_assists/src/handlers/merge_match_arms.rs b/crates/ide_assists/src/handlers/merge_match_arms.rs
index 209d352c78..5337b968c5 100644
--- a/crates/ide_assists/src/handlers/merge_match_arms.rs
+++ b/crates/ide_assists/src/handlers/merge_match_arms.rs
@@ -791,4 +791,39 @@ fn func(binary: &[u8]) {
         "#,
         )
     }
+
+    #[test]
+    fn merge_match_arms_slice_identical() {
+        check_assist(
+            merge_match_arms,
+            r#"
+fn func(binary: &[u8]) {
+    let space = b' ';
+    match binary {
+        [space, 5u8] => $0"",
+        [space] => "",
+        _ => "other",
+    };
 }
+        "#,
+                    r#"
+fn func(binary: &[u8]) {
+    let space = b' ';
+    match binary {
+        [space, 5u8] | [space] => "",
+        _ => "other",
+    };
+}
+        "#,
+        )
+    }
+}
+
+fn func(binary: &[u8]) {
+    let space = b' ';
+    match binary {
+        [space, 5u8] => "",
+        [space] => "",
+        _ => "other",
+    };
+}
\ No newline at end of file