Module hint 

Re-export of the core::hint module.

The only difference from the core::hint module is that spin_loop is available in all rust versions that this crate supports.

use portable_atomic::hint;

hint::spin_loop();

Re-exports

pub use hint::unreachable_unchecked;

pub use hint::assert_unchecked;

pub use hint::black_box;

pub use hint::must_use;

pub use hint::likely;

pub use hint::unlikely;

pub use hint::cold_path;

pub use hint::select_unpredictable;

pub use hint::prefetch_read;

pub use hint::prefetch_read_non_temporal;

pub use hint::prefetch_write;

pub use hint::prefetch_write_non_temporal;

pub use hint::prefetch_read_instruction;

pub use hint::Locality;

Functions

spin_loop

Emits a machine instruction to signal the processor that it is running in a busy-wait spin-loop (“spin lock”).