From adb7cd33d166018e6806df66a51cf16f3a71b453 Mon Sep 17 00:00:00 2001
From: Ivan Enderlin <ivan@mnt.io>
Date: Tue, 15 Apr 2025 15:44:01 +0200
Subject: [PATCH] task(base): Introduce `UpdatedRoomDisplayName`.

This patch introduces a new enum: `UpdatedRoomDisplayName`, which
will be used to know if a room display name is different or not when
computing the room display name.
---
 crates/matrix-sdk-base/src/rooms/mod.rs | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/crates/matrix-sdk-base/src/rooms/mod.rs b/crates/matrix-sdk-base/src/rooms/mod.rs
index c476c21ae..eb35420a0 100644
--- a/crates/matrix-sdk-base/src/rooms/mod.rs
+++ b/crates/matrix-sdk-base/src/rooms/mod.rs
@@ -66,6 +66,23 @@ pub enum RoomDisplayName {
     Empty,
 }
 
+/// An internal representing whether a room display name is new or not when
+/// computed.
+pub(crate) enum UpdatedRoomDisplayName {
+    New(RoomDisplayName),
+    Same(RoomDisplayName),
+}
+
+impl UpdatedRoomDisplayName {
+    /// Get the inner [`RoomDisplayName`].
+    pub fn into_inner(self) -> RoomDisplayName {
+        match self {
+            UpdatedRoomDisplayName::New(room_display_name) => room_display_name,
+            UpdatedRoomDisplayName::Same(room_display_name) => room_display_name,
+        }
+    }
+}
+
 const WHITESPACE_REGEX: &str = r"\s+";
 const INVALID_SYMBOLS_REGEX: &str = r"[#,:\{\}\\]+";