xint 0.1.0

Fixed-size signed/unsigned big integers.
Documentation 
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pub trait Xint {
    /// Wrapping (modular) addition. Computes self + rhs, wrapping around at the boundary of the type.
    fn wrapping_add(self, other: Self) -> Self;
}

#[macro_export]
macro_rules! impl_xint_wrap {
    ($name:ident, $uint:ty, $sint:ty) => {
        #[derive(Clone, Copy, Default, PartialEq, Eq)]
        pub struct $name(pub $uint);

        impl Xint for $name {
            fn wrapping_add(self, other: Self) -> Self {
                Self(self.0.wrapping_add(other.0))
            }
        }
    };
}

impl_xint_wrap!(X8, u8, i8);
impl_xint_wrap!(X16, u16, i16);
impl_xint_wrap!(X32, u32, i32);
impl_xint_wrap!(X64, u64, i64);