Function core::intrinsics::ctlz_nonzero
const: 1.50.0 · source · pub const unsafe extern "rust-intrinsic" fn ctlz_nonzero<T: Copy>(
x: T
) -> T
🔬This is a nightly-only experimental API. (
core_intrinsics
)Expand description
Like ctlz
, but extra-unsafe as it returns undef
when
given an x
with value 0
.
This intrinsic does not have a stable counterpart.
§Examples
#![feature(core_intrinsics)]
use std::intrinsics::ctlz_nonzero;
let x = 0b0001_1100_u8;
let num_leading = unsafe { ctlz_nonzero(x) };
assert_eq!(num_leading, 3);
Run