use serde::{Deserialize, Serialize};
#[derive(Clone, Copy, Debug, Deserialize, Eq, PartialEq, Serialize)]
#[serde(rename_all = "snake_case")]
pub enum Dir {
Parent,
FirstChild,
LastChild,
FirstSibling,
LastSibling,
PrevSibling {
#[serde(default)]
cousin: bool,
},
NextSibling {
cousin: bool,
},
}