crypto-bigint 0.2.11

Pure Rust implementation of a big integer library which has been designed from the ground-up for use in cryptographic applications. Provides constant-time, no_std-friendly implementations of modern formulas using const generics.
Documentation 
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//! Limb encoding

use super::{Inner, Limb};
use crate::Encoding;

impl Encoding for Limb {
    const BIT_SIZE: usize = super::BIT_SIZE;
    const BYTE_SIZE: usize = super::BYTE_SIZE;

    #[cfg(target_pointer_width = "32")]
    type Repr = [u8; 4];
    #[cfg(target_pointer_width = "64")]
    type Repr = [u8; 8];

    #[inline]
    fn from_be_bytes(bytes: Self::Repr) -> Self {
        Limb(Inner::from_be_bytes(bytes))
    }

    #[inline]
    fn from_le_bytes(bytes: Self::Repr) -> Self {
        Limb(Inner::from_le_bytes(bytes))
    }

    #[inline]
    fn to_be_bytes(&self) -> Self::Repr {
        self.0.to_be_bytes()
    }

    #[inline]
    fn to_le_bytes(&self) -> Self::Repr {
        self.0.to_le_bytes()
    }
}