window.SIDEBAR_ITEMS = {"fn":[["black_box","An identity function that hints to the compiler to be maximally pessimistic about what `black_box` could do."],["must_use","An identity function that causes an `unused_must_use` warning to be triggered if the given value is not used (returned, stored in a variable, etc) by the caller."],["spin_loop","Emits a machine instruction to signal the processor that it is running in a busy-wait spin-loop (“spin lock”)."],["unreachable_unchecked","Informs the compiler that the site which is calling this function is not reachable, possibly enabling further optimizations."]]};