rust/hg-core/src/discovery.rs
changeset 42764 798b7d4b463e
parent 42763 04c3b76fa7a3
child 42841 ce6797ef6eab
equal deleted inserted replaced
42763:04c3b76fa7a3 42764:798b7d4b463e
    63 {
    63 {
    64     let mut distances: HashMap<Revision, u32> = HashMap::new();
    64     let mut distances: HashMap<Revision, u32> = HashMap::new();
    65     let mut visit: VecDeque<Revision> = heads.into_iter().collect();
    65     let mut visit: VecDeque<Revision> = heads.into_iter().collect();
    66     let mut factor: u32 = 1;
    66     let mut factor: u32 = 1;
    67     let mut seen: HashSet<Revision> = HashSet::new();
    67     let mut seen: HashSet<Revision> = HashSet::new();
    68     loop {
    68     while let Some(current) = visit.pop_front() {
    69         let current = match visit.pop_front() {
       
    70             None => {
       
    71                 break;
       
    72             }
       
    73             Some(r) => r,
       
    74         };
       
    75         if !seen.insert(current) {
    69         if !seen.insert(current) {
    76             continue;
    70             continue;
    77         }
    71         }
    78 
    72 
    79         let d = *distances.entry(current).or_insert(1);
    73         let d = *distances.entry(current).or_insert(1);