internal_iterator/
std_impls.rs

1use std::collections::{HashMap, HashSet};
2use std::hash::Hash;
3use crate::{FromInternalIterator, InternalIterator, IntoInternalIterator, IteratorExt};
4
5impl<A: Eq + Hash> FromInternalIterator<A> for HashSet<A> {
6    fn from_iter<T>(iter: T) -> Self
7    where
8        T: IntoInternalIterator<Item = A>
9    {
10        let mut result = HashSet::new();
11        iter.into_internal_iter().for_each(|item| {
12            result.insert(item);
13        });
14        result
15    }
16}
17
18impl<K: Eq + Hash, V> FromInternalIterator<(K, V)> for HashMap<K, V> {
19    fn from_iter<T>(iter: T) -> Self
20    where
21        T: IntoInternalIterator<Item = (K, V)>
22    {
23        let mut result = HashMap::new();
24        iter.into_internal_iter().for_each(|(k, v)| {
25            result.insert(k, v);
26        });
27        result
28    }
29}
30
31crate::into_internal_impls! {
32    ['a, T] &'a HashSet<T>,
33    [T] HashSet<T>,
34    ['a, K, V] &'a HashMap<K, V>,
35    ['a, K, V] &'a mut HashMap<K, V>,
36    [K, V] HashMap<K, V>,
37}
internal_iterator/std_impls.rs

internal_iterator/
std_impls.rs
