polars_utils/
unique_id.rs

1use uuid::Uuid;
2
3/// Unique identifier.
4#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
5#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
6#[cfg_attr(feature = "dsl-schema", derive(schemars::JsonSchema))]
7pub struct UniqueId(Uuid);
8
9impl UniqueId {
10    #[expect(clippy::new_without_default)]
11    #[inline]
12    pub fn new() -> Self {
13        Self(Uuid::new_v4())
14    }
15
16    pub fn as_u128(&self) -> u128 {
17        self.0.as_u128()
18    }
19}
20
21impl std::fmt::Display for UniqueId {
22    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
23        write!(f, "{}", self.0.as_hyphenated())
24    }
25}

polars_utils/unique_id.rs

polars_utils/
unique_id.rs