Yuki Okushi 07bb2e6527
Rollup merge of #102232 - Urgau:stabilize-bench_black_box, r=TaKO8Ki
Stabilize bench_black_box

This PR stabilize `feature(bench_black_box)`.

```rust
pub fn black_box<T>(dummy: T) -> T;
```

The FCP was completed in https://github.com/rust-lang/rust/issues/64102.

`@rustbot` label +T-libs-api -T-libs
2022-09-28 13:07:17 +09:00

24 lines
624 B
Rust

#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
#![feature(allow_internal_unstable)]
#![feature(extend_one)]
#![feature(min_specialization)]
#![feature(new_uninit)]
#![feature(step_trait)]
#![feature(stmt_expr_attributes)]
#![feature(test)]
pub mod bit_set;
pub mod interval;
pub mod vec;
pub use rustc_macros::newtype_index;
/// Type size assertion. The first argument is a type and the second argument is its expected size.
#[macro_export]
macro_rules! static_assert_size {
($ty:ty, $size:expr) => {
const _: [(); $size] = [(); ::std::mem::size_of::<$ty>()];
};
}