1.27.0[][src]Module core::hint

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

Functions

black_boxExperimental

An identity function that hints to the compiler to be maximally pessimistic about what black_box could do.

spin_loopExperimental

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

unreachable_unchecked

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