1pub mod sets;
2
3use crate::math::Tensor;
4use std::vec::IntoIter;
5
6pub struct Set<S> {
7 members: S,
8 numbers: Option<Vec<usize>>,
9}
10
11impl<S> Set<S> {
12 pub fn members(&self) -> &S {
13 &self.members
14 }
15 pub fn members_mut(&mut self) -> &mut S {
16 &mut self.members
17 }
18 pub fn into_members(self) -> S {
19 self.members
20 }
21 pub fn numbers(&self) -> Option<&[usize]> {
22 self.numbers.as_deref()
23 }
24 pub fn set_numbers(&mut self, numbers: Vec<usize>) {
25 self.numbers = Some(numbers);
26 }
27}
28
29impl<S> From<S> for Set<S> {
30 fn from(members: S) -> Self {
31 Self {
32 members,
33 numbers: None,
34 }
35 }
36}
37
38impl<S> From<(S, Vec<usize>)> for Set<S> {
39 fn from((members, numbers): (S, Vec<usize>)) -> Self {
40 Self {
41 members,
42 numbers: Some(numbers),
43 }
44 }
45}
46
47impl<S> From<Set<S>> for (S, Option<Vec<usize>>) {
48 fn from(set: Set<S>) -> Self {
49 (set.members, set.numbers)
50 }
51}
52
53impl<S, T> IntoIterator for Set<S>
54where
55 S: IntoIterator<Item = T, IntoIter = IntoIter<T>>,
56{
57 type Item = T;
58 type IntoIter = IntoIter<Self::Item>;
59 fn into_iter(self) -> Self::IntoIter {
60 self.members.into_iter()
61 }
62}
63
64impl<S> Set<S>
65where
66 S: Tensor,
67{
68 pub fn iter_mut(&mut self) -> impl Iterator<Item = &mut S::Item> {
69 self.members.iter_mut()
70 }
71}