Function read_u64

arrow-buffer/src/util/bit_chunk_iterator.rs:180–185

(input: &[u8])

#[inline]
fn read_u64(input: &[u8]) -> u64 {
    let len = input.len().min(8);
    let mut buf = [0_u8; 8];
    buf[..len].copy_from_slice(input);
    u64::from_le_bytes(buf)
}

#[inline]
fn compute_prefix_mask(lead_padding: usize) -> u64 {