diff options
Diffstat (limited to 'library/std/src/thread')
| -rw-r--r-- | library/std/src/thread/mod.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/library/std/src/thread/mod.rs b/library/std/src/thread/mod.rs index 1a5cf5ab822..0c1ffeb1a79 100644 --- a/library/std/src/thread/mod.rs +++ b/library/std/src/thread/mod.rs @@ -257,6 +257,7 @@ pub const fn require_unstable_const_init_thread_local() {} /// [`unwrap`]: crate::result::Result::unwrap /// [naming-threads]: ./index.html#naming-threads /// [stack-size]: ./index.html#stack-size +#[must_use = "must eventually spawn the thread"] #[stable(feature = "rust1", since = "1.0.0")] #[derive(Debug)] pub struct Builder { |