quorum_set/progress/
id_val.rs

1use std::fmt;
2
3use crate::progress::VecProgressEntry;
4
5/// An ID and its associated value.
6#[derive(Clone, Debug, PartialEq, Eq)]
7pub struct IdVal<ID, Val> {
8    /// Node ID.
9    pub id: ID,
10
11    /// Associated progress value.
12    pub val: Val,
13}
14
15impl<ID, Val> fmt::Display for IdVal<ID, Val>
16where
17    ID: fmt::Display,
18    Val: fmt::Display,
19{
20    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
21        write!(f, "{}: {}", self.id, self.val)
22    }
23}
24
25impl<ID, Val> IdVal<ID, Val> {
26    /// Create an [`IdVal`] with the provided ID and value.
27    pub fn new(id: ID, val: Val) -> Self {
28        Self { id, val }
29    }
30}
31
32impl<ID, Val> IdVal<ID, Val>
33where Val: Default
34{
35    /// Create an [`IdVal`] with the provided ID and `Val::default()`.
36    pub fn new_default(id: ID) -> Self {
37        Self::new(id, Default::default())
38    }
39}
40
41impl<ID, Val> VecProgressEntry for IdVal<ID, Val>
42where
43    ID: PartialEq,
44    Val: Clone + Default + Ord,
45{
46    type Id = ID;
47    type Progress = Val;
48
49    fn id(&self) -> &Self::Id {
50        &self.id
51    }
52
53    fn progress(&self) -> &Self::Progress {
54        &self.val
55    }
56
57    fn progress_mut(&mut self) -> &mut Self::Progress {
58        &mut self.val
59    }
60}
61
62#[cfg(test)]
63mod tests {
64    use super::IdVal;
65    use crate::progress::VecProgressEntry;
66
67    #[test]
68    fn test_new_and_new_default() {
69        assert_eq!(
70            IdVal {
71                id: 3u64,
72                val: 7u64
73            },
74            IdVal::new(3, 7)
75        );
76        assert_eq!(IdVal::new(2u64, 0u64), IdVal::new_default(2));
77    }
78
79    #[test]
80    fn test_display() {
81        assert_eq!("3: 7", IdVal::new(3u64, 7u64).to_string());
82    }
83
84    #[test]
85    fn test_vec_progress_entry_accessors() {
86        let mut id_val = IdVal::new(3u64, 7u64);
87
88        assert_eq!(&3, id_val.id());
89        assert_eq!(&7, id_val.progress());
90
91        *id_val.progress_mut() = 9;
92        assert_eq!(IdVal::new(3, 9), id_val);
93    }
94}
quorum_set/progress/id_val.rs

quorum_set/progress/
id_val.rs
