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Rollup merge of #92632 - yoshuawuyts:stabilize-available-parallelism, r=joshtriplett

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Implement stabilization of `#[feature(available_parallelism)]`

Stabilized in https://github.com/rust-lang/rust/issues/74479#issuecomment-984379800. Closes https://github.com/rust-lang/rust/issues/74479. Thanks!

cc/ ``@rust-lang/libs-api``
This commit is contained in:
Eric Huss 2022-01-07 20:21:01 -08:00 committed by GitHub
commit 10010685a9
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2 changed files with 1 additions and 3 deletions
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3
library/std/src/thread/mod.rs
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@ -1504,7 +1504,6 @@ fn _assert_both<T: Send + Sync>() {}
///
/// ```
/// # #![allow(dead_code)]
/// #![feature(available_parallelism)]
/// use std::{io, thread};
///
/// fn main() -> io::Result<()> {
@ -1516,7 +1515,7 @@ fn _assert_both<T: Send + Sync>() {}
#[doc(alias = "available_concurrency")] // Alias for a previous name we gave this API on unstable.
#[doc(alias = "hardware_concurrency")] // Alias for C++ `std::thread::hardware_concurrency`.
#[doc(alias = "num_cpus")] // Alias for a popular ecosystem crate which provides similar functionality.
#[unstable(feature = "available_parallelism", issue = "74479")]
#[stable(feature = "available_parallelism", since = "1.59.0")]
pub fn available_parallelism() -> io::Result<NonZeroUsize> {
imp::available_parallelism()
}

1
library/test/src/lib.rs
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@ -16,7 +16,6 @@
#![unstable(feature = "test", issue = "50297")]
#![doc(test(attr(deny(warnings))))]
#![feature(nll)]
#![feature(available_parallelism)]
#![feature(bench_black_box)]
#![feature(internal_output_capture)]
#![feature(staged_api)]