From c8140a88f67cf1fea104b1aaa615af7816984615 Mon Sep 17 00:00:00 2001
From: Thomas Bächler <thomas.baechler@gmx.de>
Date: Sat, 21 Mar 2020 19:48:23 +0100
Subject: Return NonZeroU64 from ThreadId::as_u64.

As discussed in #67939, this allows turning Option<ThreadId> into Option<NonZeroU64> which
can then be stored inside an AtomicU64.
---
 src/libstd/thread/mod.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/libstd/thread')

diff --git a/src/libstd/thread/mod.rs b/src/libstd/thread/mod.rs
index 0dc43c7e651..282e268efd2 100644
--- a/src/libstd/thread/mod.rs
+++ b/src/libstd/thread/mod.rs
@@ -1082,8 +1082,8 @@ impl ThreadId {
     /// it is not guaranteed which values new threads will return, and this may
     /// change across Rust versions.
     #[unstable(feature = "thread_id_value", issue = "67939")]
-    pub fn as_u64(&self) -> u64 {
-        self.0.get()
+    pub fn as_u64(&self) -> NonZeroU64 {
+        self.0
     }
 }
 
-- 
cgit 1.4.1-3-g733a5