From 2ebd401de6357e276ed5b18b1d0ad3c750a99d6f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Mon, 16 Sep 2024 11:24:54 +0300
Subject: [PATCH] video: Add `#[must_use]` attribute to
 `VideoTimeCode::add_interval()`

It doesn't change the original value but returns the new result.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer-rs/-/merge_requests/1541>
---
 gstreamer-video/src/video_time_code.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/gstreamer-video/src/video_time_code.rs b/gstreamer-video/src/video_time_code.rs
index ca8876f3a..963ca9e0f 100644
--- a/gstreamer-video/src/video_time_code.rs
+++ b/gstreamer-video/src/video_time_code.rs
@@ -239,6 +239,7 @@ impl ValidVideoTimeCode {
     }
 
     #[doc(alias = "gst_video_time_code_add_interval")]
+    #[must_use = "this returns the result of the operation, without modifying the original"]
     pub fn add_interval(
         &self,
         tc_inter: &VideoTimeCodeInterval,