Module core::hint 1.27.0[−][src]
Expand description
Hints to compiler that affects how code should be emitted or optimized. Hints may be compile time or runtime.
Functions
black_boxExperimental
An identity function that hints to the compiler to be maximally pessimistic about what
black_box
could do.
Emits a machine instruction to signal the processor that it is running in a busy-wait spin-loop (“spin lock”).
Informs the compiler that this point in the code is not reachable, enabling further optimizations.