semilattice_database/collection/
row.rs

1use std::{
2    cmp::Ordering,
3    num::{NonZeroI32, NonZeroU32},
4};
5
6use serde::Serialize;
7
8#[derive(Clone, Debug, Serialize, Hash, Default)]
9pub struct CollectionRow {
10    collection_id: Option<NonZeroI32>,
11    row: Option<NonZeroU32>,
12}
13impl PartialOrd for CollectionRow {
14    #[inline(always)]
15    fn partial_cmp(&self, other: &CollectionRow) -> Option<Ordering> {
16        Some(self.cmp(other))
17    }
18}
19impl Ord for CollectionRow {
20    fn cmp(&self, other: &CollectionRow) -> Ordering {
21        if self.collection_id == other.collection_id {
22            self.row.cmp(&other.row)
23        } else if self.collection_id > other.collection_id {
24            Ordering::Greater
25        } else {
26            Ordering::Less
27        }
28    }
29}
30impl PartialEq for CollectionRow {
31    fn eq(&self, other: &CollectionRow) -> bool {
32        self.collection_id == other.collection_id && self.row == other.row
33    }
34}
35impl Eq for CollectionRow {}
36
37impl CollectionRow {
38    pub fn new(collection_id: NonZeroI32, row: NonZeroU32) -> Self {
39        Self {
40            collection_id: Some(collection_id),
41            row: Some(row),
42        }
43    }
44
45    pub fn collection_id(&self) -> NonZeroI32 {
46        self.collection_id.unwrap()
47    }
48
49    pub fn row(&self) -> NonZeroU32 {
50        self.row.unwrap()
51    }
52}
semilattice_database/collection/row.rs

semilattice_database/collection/
row.rs
