cbor-core 0.5.1

CBOR::Core deterministic encoder/decoder with owned data structures
Documentation 
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#![allow(dead_code)]

use crate::{Error, Result};

pub(crate) fn trim_leading_zeros(mut bytes: &[u8]) -> &[u8] {
    while let Some((&0, rest)) = bytes.split_first() {
        bytes = rest;
    }
    bytes
}

fn uint_from_slice<const N: usize>(bytes: &[u8]) -> Result<[u8; N]> {
    let mut buf = [0; N];
    let offset = buf.len().checked_sub(bytes.len()).ok_or(Error::Overflow)?;
    buf[offset..].copy_from_slice(bytes);
    Ok(buf)
}

pub(crate) fn u64_from_slice(bytes: &[u8]) -> Result<u64> {
    Ok(u64::from_be_bytes(uint_from_slice(bytes)?))
}

pub(crate) fn u128_from_slice(bytes: &[u8]) -> Result<u128> {
    Ok(u128::from_be_bytes(uint_from_slice(bytes)?))
}