// SPDX-License-Identifier: Apache-2.0
// Copyright (c) 2026-present, Dmitry Prudnikov
//! A value alone on its cache line.
use Deref;
/// Holds a value every insert writes on a line of its own, so the fields every
/// insert only reads do not share it: a write invalidates the whole line in
/// every other core's cache, and a read-only neighbour would be fetched again
/// by each of them. 128 bytes is the line on Apple silicon and the pair of
/// lines x86 prefetches together.
pub T);