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use core::{
fmt::Debug,
mem::size_of,
ops::{BitAnd, BitOr, BitXor, Not, Shl, Shr, Sub},
};
pub trait Bits
where
Self: Sized
+ Debug
+ Copy
+ PartialOrd
+ Not<Output = Self>
+ Sub<Output = Self>
+ BitOr<Output = Self>
+ BitXor<Output = Self>
+ BitAnd<Output = Self>
+ Shl<Self, Output = Self>
+ Shr<Self, Output = Self>,
{
fn from_usize(bits: usize) -> Self;
fn width() -> Self;
fn is_zero(self) -> bool;
}
macro_rules! bits {
($type:ty) => {
impl Bits for $type {
#[inline]
fn from_usize(bits: usize) -> Self {
bits as Self
}
#[inline]
fn width() -> Self {
size_of::<Self>() as Self * 8
}
#[inline]
fn is_zero(self) -> bool {
self == 0
}
}
};
}
bits!(u8);
bits!(u16);
bits!(u32);
bits!(u64);
bits!(u128);