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Module std::hint

Hints to compiler that affects how code should be emitted or optimized.

Functions

unreachable_unchecked

Informs the compiler that this point in the code is not reachable, enabling further optimizations.

black_box Experimental

A function that is opaque to the optimizer, to allow benchmarks to pretend to use outputs to assist in avoiding dead-code elimination.

spin_loop Experimental

Signals the processor that it is entering a busy-wait spin-loop.

© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/hint/index.html