orx_iterable/obj_safe/transformations/
skipped_while.rs1use orx_self_or::SoM;
2
3use crate::{
4 obj_safe::{CollectionMutObj, CollectionObj, IterableObj},
5 transformations::{SkippedWhile, SkippedWhileCol, SkippedWhileColIter, SkippedWhileColIterMut},
6 Collection, CollectionMut, Iterable,
7};
8use std::boxed::Box;
9
10impl<I, P> IterableObj for SkippedWhile<I, P>
11where
12 I: Iterable,
13 P: Fn(&I::Item) -> bool + Copy,
14{
15 type Item = I::Item;
16
17 fn boxed_iter(&self) -> Box<dyn Iterator<Item = Self::Item> + '_> {
18 Box::new(self.it.iter().skip_while(self.skip_while))
19 }
20}
21
22impl<'a, I, E, P> IterableObj for &'a SkippedWhileCol<I, E, P>
25where
26 I: Collection,
27 E: SoM<I>,
28 P: Fn(&I::Item) -> bool + Copy,
29{
30 type Item = &'a I::Item;
31
32 fn boxed_iter(&self) -> Box<dyn Iterator<Item = Self::Item> + '_> {
33 let iter = self.it.get_ref().iter();
34 Box::new(SkippedWhileColIter::<I, P> {
35 iter,
36 skip_while: self.skip_while,
37 skipped: false,
38 })
39 }
40}
41
42impl<I, E, P> CollectionObj for SkippedWhileCol<I, E, P>
43where
44 I: Collection,
45 E: SoM<I>,
46 P: Fn(&I::Item) -> bool + Copy,
47{
48 type Item = I::Item;
49
50 fn boxed_iter(&self) -> Box<dyn Iterator<Item = &Self::Item> + '_> {
51 Box::new(self.iter())
52 }
53}
54
55impl<I, E, P> CollectionMutObj for SkippedWhileCol<I, E, P>
56where
57 I: CollectionMut,
58 E: SoM<I>,
59 P: Fn(&I::Item) -> bool + Copy,
60{
61 fn boxed_iter_mut(&mut self) -> Box<dyn Iterator<Item = &mut Self::Item> + '_> {
62 let iter = self.it.get_mut().iter_mut();
63 Box::new(SkippedWhileColIterMut::<I, P> {
64 iter,
65 skip_while: self.skip_while,
66 skipped: false,
67 })
68 }
69}