borderless 0.2.0

SDK for borderless packages
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108

use crate::collections::hashmap::proxy::{Entry, Key, Value};
use crate::collections::hashmap::HashMap;
use serde::de::DeserializeOwned;
use serde::Serialize;
use std::collections::HashSet;
use std::hash::Hash;

/// Immutable HashMap Iterator
pub struct HashMapIt<'a, K, V> {
    map: &'a HashMap<K, V>,
    idx: usize,
    keys: HashSet<u64>,
}

impl<'a, K, V> Iterator for HashMapIt<'a, K, V>
where
    K: Serialize + DeserializeOwned + Hash + Eq,
    V: Serialize + DeserializeOwned,
{
    type Item = Entry<'a, K, V>;

    fn next(&mut self) -> Option<Self::Item> {
        self.keys.iter().nth(self.idx).and_then(|key| {
            self.idx = self.idx.saturating_add(1);
            self.map.get_entry(*key)
        })
    }
}

impl<'a, K, V> HashMapIt<'a, K, V>
where
    K: Serialize + DeserializeOwned + Hash + Eq,
    V: Serialize + DeserializeOwned,
{
    pub fn new(map: &'a HashMap<K, V>) -> Self {
        // Fetch keys from the HashMap
        let keys = map.internal_keys();
        HashMapIt { map, keys, idx: 0 }
    }
}

/// Immutable HashMap Keys Iterator
pub struct Keys<'a, K, V> {
    map: &'a HashMap<K, V>,
    idx: usize,
    keys: HashSet<u64>,
}

impl<'a, K, V> Iterator for Keys<'a, K, V>
where
    K: Serialize + DeserializeOwned + Hash + Eq,
    V: Serialize + DeserializeOwned,
{
    type Item = Key<'a, K, V>;

    fn next(&mut self) -> Option<Self::Item> {
        self.keys.iter().nth(self.idx).and_then(|key| {
            self.idx = self.idx.saturating_add(1);
            self.map.get_key(*key)
        })
    }
}

impl<'a, K, V> Keys<'a, K, V>
where
    K: Serialize + DeserializeOwned + Hash + Eq,
    V: Serialize + DeserializeOwned,
{
    pub fn new(map: &'a HashMap<K, V>) -> Self {
        // Fetch keys from the HashMap
        let keys = map.internal_keys();
        Keys { map, keys, idx: 0 }
    }
}

/// Immutable HashMap Values Iterator
pub struct Values<'a, K, V> {
    map: &'a HashMap<K, V>,
    idx: usize,
    keys: HashSet<u64>,
}

impl<'a, K, V> Iterator for Values<'a, K, V>
where
    K: Serialize + DeserializeOwned + Hash + Eq,
    V: Serialize + DeserializeOwned,
{
    type Item = Value<'a, K, V>;

    fn next(&mut self) -> Option<Self::Item> {
        self.keys.iter().nth(self.idx).and_then(|key| {
            self.idx = self.idx.saturating_add(1);
            self.map.get_value(*key)
        })
    }
}

impl<'a, K, V> Values<'a, K, V>
where
    K: Serialize + DeserializeOwned + Hash + Eq,
    V: Serialize + DeserializeOwned,
{
    pub fn new(map: &'a HashMap<K, V>) -> Self {
        // Fetch keys from the HashMap
        let keys = map.internal_keys();
        Values { map, keys, idx: 0 }
    }
}