From 3904855988943db5dc75ff4f862cada769183bf3 Mon Sep 17 00:00:00 2001
From: Michael Macias <zaeleus@gmail.com>
Date: Mon, 13 Jan 2025 10:44:19 -0600
Subject: [PATCH] gff/record_buf/attributes: Remove DerefMut

Use the `AsMut<IndexMap<Tag, Value>>` implementation instead.
---
 noodles-gff/CHANGELOG.md                 | 4 ++++
 noodles-gff/src/record_buf/attributes.rs | 6 +++---
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/noodles-gff/CHANGELOG.md b/noodles-gff/CHANGELOG.md
index 57168b491..9044e7102 100644
--- a/noodles-gff/CHANGELOG.md
+++ b/noodles-gff/CHANGELOG.md
@@ -8,6 +8,10 @@
 
 ### Removed
 
+  * gff/record_buf/attributes: Remove `DerefMut`.
+
+    Use the `AsMut<IndexMap<Tag, Value>>` implementation instead.
+
   * gff/record_buf/attributes: Remove parser.
 
     Use a deserializer (e.g., `gff::io::Reader`) instead.
diff --git a/noodles-gff/src/record_buf/attributes.rs b/noodles-gff/src/record_buf/attributes.rs
index c24f87ce7..8654a4f1d 100644
--- a/noodles-gff/src/record_buf/attributes.rs
+++ b/noodles-gff/src/record_buf/attributes.rs
@@ -2,7 +2,7 @@
 
 pub mod field;
 
-use std::ops::{Deref, DerefMut};
+use std::ops::Deref;
 
 use indexmap::IndexMap;
 
@@ -23,8 +23,8 @@ impl Deref for Attributes {
     }
 }
 
-impl DerefMut for Attributes {
-    fn deref_mut(&mut self) -> &mut Self::Target {
+impl AsMut<IndexMap<Tag, Value>> for Attributes {
+    fn as_mut(&mut self) -> &mut IndexMap<Tag, Value> {
         &mut self.0
     }
 }