nrc

WARNING: documentation for this crate may be rendered differently using the new Pulldown renderer.
    See https://github.com/rust-lang/rust/issues/44229 for details.
WARNING: rendering difference in `Constructs a `Layout` from a given `size` and `align`,...`
   --> src/liballoc/allocator.rs:79:4
    /html[0]/body[1]/ul[1]/li[1]/p[0] Text differs:
        expected: `must not exceed 2^31 (i.e.`
        found:    `must not exceed 2`
    /html[0]/body[1]/ul[1]/li[1]/p[0] Tags differ: expected: `code`, found: `sup`
    /html[0]/body[1]/ul[1]/li[1]/p[0] Text differs:
        expected: `),`

nrc

use std::io::Result;
use std::mem::{self, MaybeUninit};

// A simple async-ification of sync Read plus downcasting methods.
pub trait Read {
    // async
    fn read(&mut self, buf: &mut [u8]) -> Result<usize>;

    // ...

nrc

#![allow(internal_features)]
#![feature(duration_millis_float)]
#![feature(core_intrinsics)]

use std::time::Instant;
use std::intrinsics::{select_unpredictable, unlikely};

#[global_allocator]
static GLOBAL: tikv_jemallocator::Jemalloc = tikv_jemallocator::Jemalloc;