From 448dd30ed4e28249895db1a231b336f3df573f68 Mon Sep 17 00:00:00 2001
From: Jake Goulding <jake.goulding@gmail.com>
Date: Thu, 27 Jun 2024 14:16:27 -0400
Subject: [PATCH] Mark `Hasher::finish` as #[must_use]

---
 library/core/src/hash/mod.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/library/core/src/hash/mod.rs b/library/core/src/hash/mod.rs
index 1c93a7b28fd..da734466263 100644
--- a/library/core/src/hash/mod.rs
+++ b/library/core/src/hash/mod.rs
@@ -334,6 +334,7 @@ pub trait Hasher {
     ///
     /// [`write`]: Hasher::write
     #[stable(feature = "rust1", since = "1.0.0")]
+    #[must_use]
     fn finish(&self) -> u64;
 
     /// Writes some data into this `Hasher`.