int-interval 0.9.2

A small, no_std half-open interval algebra library for primitive integer types.
Documentation 
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use core::{
    fmt::Debug,
    iter::Sum,
    ops::{Add, Sub},
};

pub trait Int:
    Copy + Ord + Eq + Debug + Send + Sync + Add<Output = Self> + Sub<Output = Self> + Sum<Self>
{
    fn as_f32(self) -> f32;
    fn as_f64(self) -> f64;
}

pub trait Unsigned: Int {}

macro_rules! impl_int {
    ($($ty:ty),* $(,)?) => {
        $(
            impl Int for $ty {
                #[inline]
                fn as_f32(self) -> f32 {
                    self as f32
                }

                #[inline]
                fn as_f64(self) -> f64 {
                    self as f64
                }
            }
        )*
    };
}

macro_rules! impl_unsigned {
    ($($ty:ty),* $(,)?) => {
        $(impl Unsigned for $ty {})*
    };
}

impl_int!(
    i8, i16, i32, i64, i128, isize, u8, u16, u32, u64, u128, usize,
);

impl_unsigned!(u8, u16, u32, u64, u128, usize);