orx_iterable/obj_safe/sources/
once.rs

1use crate::{
2    obj_safe::{CollectionMutObj, CollectionObj, IterableObj},
3    sources::{Once, OnceCol},
4};
5use std::boxed::Box;
6
7impl<T> IterableObj for Once<T>
8where
9    T: Clone,
10{
11    type Item = T;
12
13    fn boxed_iter(&self) -> Box<dyn Iterator<Item = Self::Item> + '_> {
14        Box::new(core::iter::once(self.value.clone()))
15    }
16}
17
18impl<T> IterableObj for core::iter::Once<T>
19where
20    T: Clone,
21{
22    type Item = T;
23
24    fn boxed_iter(&self) -> Box<dyn Iterator<Item = Self::Item> + '_> {
25        Box::new(self.clone())
26    }
27}
28
29// col
30
31impl<'a, T> IterableObj for &'a OnceCol<T> {
32    type Item = &'a T;
33
34    fn boxed_iter(&self) -> Box<dyn Iterator<Item = Self::Item> + '_> {
35        Box::new(core::iter::once(&self.value))
36    }
37}
38
39impl<T> CollectionObj for OnceCol<T> {
40    type Item = T;
41
42    fn boxed_iter(&self) -> Box<dyn Iterator<Item = &Self::Item> + '_> {
43        Box::new(core::iter::once(&self.value))
44    }
45}
46
47impl<T> CollectionMutObj for OnceCol<T> {
48    fn boxed_iter_mut(&mut self) -> Box<dyn Iterator<Item = &mut Self::Item> + '_> {
49        Box::new(core::iter::once(&mut self.value))
50    }
51}
orx_iterable/obj_safe/sources/once.rs

orx_iterable/obj_safe/sources/
once.rs
