el_core/
ids.rs

1//! Identifier value objects.
2
3use core::fmt;
4
5/// Unique id of an [`crate::SessionId`]-scoped inference session.
6#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
7pub struct SessionId(pub u64);
8
9/// Unique id of a loaded model.
10#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
11pub struct ModelId(pub u64);
12
13/// Semantic version of a model artifact (Model Provenance — ADR-006).
14#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
15pub struct ModelVersion {
16    pub major: u16,
17    pub minor: u16,
18    pub patch: u16,
19}
20
21impl ModelVersion {
22    pub const fn new(major: u16, minor: u16, patch: u16) -> Self {
23        Self {
24            major,
25            minor,
26            patch,
27        }
28    }
29}
30
31impl fmt::Display for SessionId {
32    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
33        write!(f, "session#{}", self.0)
34    }
35}
36
37impl fmt::Display for ModelId {
38    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
39        write!(f, "model#{}", self.0)
40    }
41}
42
43impl fmt::Display for ModelVersion {
44    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
45        write!(f, "{}.{}.{}", self.major, self.minor, self.patch)
46    }
47}
48
49#[cfg(test)]
50mod tests {
51    use super::*;
52
53    #[test]
54    fn version_orders_and_displays() {
55        assert!(ModelVersion::new(1, 2, 0) > ModelVersion::new(1, 1, 9));
56        assert_eq!(ModelVersion::new(0, 1, 0).to_string(), "0.1.0");
57        assert_eq!(SessionId(7).to_string(), "session#7");
58    }
59}
el_core/ids.rs

el_core/
ids.rs
