bjoernager/rust
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Add #[must_use] to remaining std functions (O-Z)

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This commit is contained in:
John Kugelman 2021-10-30 23:37:32 -04:00
parent e249ce6b23
commit a81d4b18ea
12 changed files with 57 additions and 2 deletions
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5
library/std/src/thread/mod.rs
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@ -649,6 +649,7 @@ where
///
/// handler.join().unwrap();
/// ```
#[must_use]
#[stable(feature = "rust1", since = "1.0.0")]
pub fn current() -> Thread {
thread_info::current_thread().expect(
@ -737,6 +738,7 @@ pub fn yield_now() {
///
/// [Mutex]: crate::sync::Mutex
#[inline]
#[must_use]
#[stable(feature = "rust1", since = "1.0.0")]
pub fn panicking() -> bool {
panicking::panicking()
@ -1131,6 +1133,7 @@ impl Thread {
/// assert!(thread::current().id() != other_thread_id);
/// ```
#[stable(feature = "thread_id", since = "1.19.0")]
#[must_use]
pub fn id(&self) -> ThreadId {
self.inner.id
}
@ -1173,6 +1176,7 @@ impl Thread {
///
/// [naming-threads]: ./index.html#naming-threads
#[stable(feature = "rust1", since = "1.0.0")]
#[must_use]
pub fn name(&self) -> Option<&str> {
self.cname().map(|s| unsafe { str::from_utf8_unchecked(s.to_bytes()) })
}
@ -1360,6 +1364,7 @@ impl<T> JoinHandle<T> {
/// println!("thread id: {:?}", thread.id());
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
#[must_use]
pub fn thread(&self) -> &Thread {
&self.0.thread
}