jwalk/core/
index_path.rs

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1use std::cmp::Ordering;
2
3#[derive(Clone, Debug)]
4pub struct IndexPath {
5    pub indices: Vec<usize>,
6}
7
8impl IndexPath {
9    pub fn new(indices: Vec<usize>) -> IndexPath {
10        IndexPath { indices }
11    }
12
13    pub fn adding(&self, index: usize) -> IndexPath {
14        let mut indices = self.indices.clone();
15        indices.push(index);
16        IndexPath::new(indices)
17    }
18
19    pub fn push(&mut self, index: usize) {
20        self.indices.push(index);
21    }
22
23    pub fn increment_last(&mut self) {
24        *self.indices.last_mut().unwrap() += 1;
25    }
26
27    pub fn pop(&mut self) -> Option<usize> {
28        self.indices.pop()
29    }
30
31    pub fn is_empty(&self) -> bool {
32        self.indices.is_empty()
33    }
34}
35
36impl PartialEq for IndexPath {
37    fn eq(&self, o: &Self) -> bool {
38        self.indices.eq(&o.indices)
39    }
40}
41
42impl Eq for IndexPath {}
43
44impl PartialOrd for IndexPath {
45    fn partial_cmp(&self, o: &Self) -> Option<Ordering> {
46        o.indices.partial_cmp(&self.indices)
47    }
48}
49
50impl Ord for IndexPath {
51    fn cmp(&self, o: &Self) -> Ordering {
52        o.indices.cmp(&self.indices)
53    }
54}
jwalk/core/index_path.rs

jwalk/core/
index_path.rs
