Trait HighestOne 

pub trait HighestOne: Sized {
    // Required method
    fn highest_one(self) -> Option<u32>;
}

Finds the index of the highest one-bit.

Required Methods

fn highest_one(self) -> Option<u32>

Returns the index of the highest bit set to one, or None if the value is zero.

use const_num_traits::HighestOne;

assert_eq!(HighestOne::highest_one(0b0101_0000u8), Some(6));
assert_eq!(HighestOne::highest_one(0u8), None);

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl HighestOne for i8

fn highest_one(self) -> Option<u32>

impl HighestOne for i16

fn highest_one(self) -> Option<u32>

impl HighestOne for i32

fn highest_one(self) -> Option<u32>

impl HighestOne for i64

fn highest_one(self) -> Option<u32>

impl HighestOne for i128

fn highest_one(self) -> Option<u32>

impl HighestOne for isize

fn highest_one(self) -> Option<u32>

impl HighestOne for u8

fn highest_one(self) -> Option<u32>

impl HighestOne for u16

fn highest_one(self) -> Option<u32>

impl HighestOne for u32

fn highest_one(self) -> Option<u32>

impl HighestOne for u64

fn highest_one(self) -> Option<u32>

impl HighestOne for u128

fn highest_one(self) -> Option<u32>

impl HighestOne for usize

fn highest_one(self) -> Option<u32>

Implementors