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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:41 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:41 +0000
commit4f9fe856a25ab29345b90e7725509e9ee38a37be (patch)
treee4ffd8a9374cae7b21f7cbfb352927e0e074aff6 /library/core/src/hint.rs
parentAdding upstream version 1.68.2+dfsg1. (diff)
downloadrustc-4f9fe856a25ab29345b90e7725509e9ee38a37be.tar.xz
rustc-4f9fe856a25ab29345b90e7725509e9ee38a37be.zip
Adding upstream version 1.69.0+dfsg1.upstream/1.69.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--library/core/src/hint.rs3
1 files changed, 2 insertions, 1 deletions
diff --git a/library/core/src/hint.rs b/library/core/src/hint.rs
index 5a76e8669..ee13dae60 100644
--- a/library/core/src/hint.rs
+++ b/library/core/src/hint.rs
@@ -216,7 +216,8 @@ pub fn spin_loop() {
///
/// Note however, that `black_box` is only (and can only be) provided on a "best-effort" basis. The
/// extent to which it can block optimisations may vary depending upon the platform and code-gen
-/// backend used. Programs cannot rely on `black_box` for *correctness* in any way.
+/// backend used. Programs cannot rely on `black_box` for *correctness*, beyond it behaving as the
+/// identity function.
///
/// [`std::convert::identity`]: crate::convert::identity
///