internal_iterator/
alloc_impls.rs

1use alloc::{string::String, vec::Vec, collections::{BTreeMap, BTreeSet}};
2use crate::{FromInternalIterator, InternalIterator, IntoInternalIterator, IteratorExt};
3
4impl<A> FromInternalIterator<A> for Vec<A> {
5    fn from_iter<T>(iter: T) -> Self
6    where
7        T: IntoInternalIterator<Item = A>
8    {
9        let mut result = Vec::new();
10        iter.into_internal_iter().for_each(|item| {
11            result.push(item);
12        });
13        result
14    }
15}
16
17impl FromInternalIterator<char> for String {
18    fn from_iter<T>(iter: T) -> Self
19    where
20        T: IntoInternalIterator<Item = char>
21    {
22        let mut result = String::new();
23        iter.into_internal_iter().for_each(|item| {
24            result.push(item);
25        });
26        result
27    }
28}
29
30impl<A: Ord> FromInternalIterator<A> for BTreeSet<A> {
31    fn from_iter<T>(iter: T) -> Self
32    where
33        T: IntoInternalIterator<Item = A>
34    {
35        let mut result = BTreeSet::new();
36        iter.into_internal_iter().for_each(|item| {
37            result.insert(item);
38        });
39        result
40    }
41}
42
43impl<K: Ord, V> FromInternalIterator<(K, V)> for BTreeMap<K, V> {
44    fn from_iter<T>(iter: T) -> Self
45    where
46        T: IntoInternalIterator<Item = (K, V)>
47    {
48        let mut result = BTreeMap::new();
49        iter.into_internal_iter().for_each(|(k, v)| {
50            result.insert(k, v);
51        });
52        result
53    }
54}
55
56crate::into_internal_impls! {
57    ['a, T] &'a Vec<T>,
58    ['a, T] &'a mut Vec<T>,
59    [T] Vec<T>,
60    ['a, T] &'a BTreeSet<T>,
61    [T] BTreeSet<T>,
62    ['a, K, V] &'a BTreeMap<K, V>,
63    ['a, K, V] &'a mut BTreeMap<K, V>,
64    [K, V] BTreeMap<K, V>,
65}
internal_iterator/alloc_impls.rs

internal_iterator/
alloc_impls.rs
