Function zigzag_decode

nodedb-codec/src/delta.rs:38–40

(v: u64)

/// ZigZag-decode an unsigned u64 back to signed i64.
#[inline]
fn zigzag_decode(v: u64) -> i64 {
    ((v >> 1) as i64) ^ -((v & 1) as i64)
}

/// Write a varint (LEB128-encoded u64) to a buffer.
fn write_varint(buf: &mut Vec<u8>, mut value: u64) {