From fb2d0f5c03d2f699eb87bc1986386bdcf6a3f6eb Mon Sep 17 00:00:00 2001
From: John Kugelman <john@kugelman.name>
Date: Thu, 14 Oct 2021 19:56:53 -0400
Subject: Add #[must_use] to remaining alloc functions

---
 library/alloc/src/vec/drain.rs | 1 +
 1 file changed, 1 insertion(+)

(limited to 'library/alloc/src/vec')

diff --git a/library/alloc/src/vec/drain.rs b/library/alloc/src/vec/drain.rs
index e643940d017..ff98091a0d2 100644
--- a/library/alloc/src/vec/drain.rs
+++ b/library/alloc/src/vec/drain.rs
@@ -60,6 +60,7 @@ impl<'a, T, A: Allocator> Drain<'a, T, A> {
 
     /// Returns a reference to the underlying allocator.
     #[unstable(feature = "allocator_api", issue = "32838")]
+    #[must_use]
     #[inline]
     pub fn allocator(&self) -> &A {
         unsafe { self.vec.as_ref().allocator() }
-- 
cgit 1.4.1-3-g733a5