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
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
#[macro_export]
macro_rules! collection {
($collection_type:ty) => {{
<$collection_type>::new()
}};
($collection_type:ty; $($key:expr => $value:expr),* $(,)?) => {{
let temp: $collection_type = core::convert::From::from([$(($key, $value),)*]);
temp
}};
($($key:expr => $value:expr),* $(,)?) => {{
core::convert::From::from([$(($key, $value),)*])
}};
($collection_type:ty; $($value:expr),* $(,)?) => {{
let temp: $collection_type = core::convert::From::from([$($value,)*]);
temp
}};
($($value:expr),* $(,)?) => {{
core::convert::From::from([$($value,)*])
}};
}
#[macro_export]
macro_rules! hash {
() => {{ collection!{} }};
($(map)? of $key_type:ty => $value_type:ty) => {{
std::collections::HashMap::<$key_type, $value_type>::new()
}};
($($key:expr => $value:expr),* $(,)?) => {{
std::collections::HashMap::from([$(($key, $value),)*])
}};
($(map)? of $key_type:ty => $value_type:ty { $($key:expr => $value:expr),* $(,)? }) => {{
std::collections::HashMap::<$key_type, $value_type>::from([$(($key, $value),)*])
}};
($(set)? of $value_type:ty) => {{
std::collections::HashSet::<$value_type>::new()
}};
($($value:expr),* $(,)?) => {{
std::collections::HashSet::from([$($value,)*])
}};
($(set)? of $value_type:ty { $($value:expr),* $(,)? }) => {{
std::collections::HashSet::<$value_type>::from([$($value,)*])
}};
}
#[macro_export]
macro_rules! btree {
() => {{ collection!{} }};
($(map)? of $key_type:ty => $value_type:ty) => {{
std::collections::BTreeMap::<$key_type, $value_type>::new()
}};
($($key:expr => $value:expr),* $(,)?) => {{
std::collections::BTreeMap::from([$(($key, $value),)*])
}};
($(map)? of $key_type:ty => $value_type:ty { $($key:expr => $value:expr),* $(,)? }) => {{
std::collections::BTreeMap::<$key_type, $value_type>::from([$(($key, $value),)*])
}};
($(set)? of $value_type:ty) => {{
std::collections::BTreeSet::<$value_type>::new()
}};
($($value:expr),* $(,)?) => {{
std::collections::BTreeSet::from([$($value,)*])
}};
($(set)? of $value_type:ty { $($value:expr),* $(,)? }) => {{
std::collections::BTreeSet::<$value_type>::from([$($value,)*])
}};
}