Function zigzag_encode

nodedb-codec/src/delta.rs:32–34

(v: i64)

/// representations: 0→0, -1→1, 1→2, -2→3, 2→4, ...
#[inline]
fn zigzag_encode(v: i64) -> u64 {
    ((v << 1) ^ (v >> 63)) as u64
}

/// ZigZag-decode an unsigned u64 back to signed i64.
#[inline]