Function read_u64_be

nodedb-query/src/msgpack_scan/reader.rs:67–72

(buf: &[u8], pos: usize)

#[inline(always)]
fn read_u64_be(buf: &[u8], pos: usize) -> Option<u64> {
    let bytes = buf.get(pos..pos + 8)?;
    Some(u64::from_be_bytes([
        bytes[0], bytes[1], bytes[2], bytes[3], bytes[4], bytes[5], bytes[6], bytes[7],
    ]))
}

/// Return `Some(offset + size)` only if the buffer has enough bytes.
#[inline(always)]