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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
pub use every_variant::*;
pub trait EveryVariant: Sized {
fn every_variant() -> Vec<Self>;
}
impl EveryVariant for String {
fn every_variant() -> Vec<Self> {
let vec = vec!["example String".into()];
vec
}
}
impl EveryVariant for &'static str {
fn every_variant() -> Vec<Self> {
let vec = vec!["&static str!"];
vec
}
}
impl EveryVariant for u32 {
fn every_variant() -> Vec<Self> {
let vec = vec![32];
vec
}
}
impl EveryVariant for u64 {
fn every_variant() -> Vec<Self> {
let vec = vec![64];
vec
}
}
impl EveryVariant for u16 {
fn every_variant() -> Vec<Self> {
let vec = vec![16];
vec
}
}
impl EveryVariant for u8 {
fn every_variant() -> Vec<Self> {
let vec = vec![8];
vec
}
}
impl EveryVariant for i32 {
fn every_variant() -> Vec<Self> {
let vec = vec![-32];
vec
}
}
impl EveryVariant for i64 {
fn every_variant() -> Vec<Self> {
let vec = vec![-64];
vec
}
}
impl EveryVariant for i16 {
fn every_variant() -> Vec<Self> {
let vec = vec![-16];
vec
}
}
impl EveryVariant for i8 {
fn every_variant() -> Vec<Self> {
let vec = vec![-8];
vec
}
}
impl EveryVariant for usize {
fn every_variant() -> Vec<Self> {
let vec = vec![100];
vec
}
}
impl EveryVariant for f32 {
fn every_variant() -> Vec<Self> {
let vec = vec![16.32];
vec
}
}
impl EveryVariant for f64 {
fn every_variant() -> Vec<Self> {
let vec = vec![16.64];
vec
}
}
impl EveryVariant for std::num::NonZeroU8 {
fn every_variant() -> Vec<Self> {
let vec = vec![Self::new(4).unwrap()];
vec
}
}
impl<T: EveryVariant + Clone + Sized> EveryVariant for Option<T> {
fn every_variant() -> Vec<Self> {
let mut vec = Vec::new();
vec.push(None);
let tvec = T::every_variant();
let mut tvec = tvec.into_iter().map(|t| Some(t)).collect();
vec.append(&mut tvec);
vec
}
}
impl EveryVariant for () {
fn every_variant() -> Vec<Self> {
let mut vec = Vec::new();
vec.push(());
vec
}
}
impl<T: EveryVariant + Clone + Sized, E: EveryVariant + Clone + Sized> EveryVariant
for Result<T, E>
{
fn every_variant() -> Vec<Self> {
let mut vec = Vec::new();
let tvec = T::every_variant();
let mut tvec = tvec.into_iter().map(|t| Ok(t)).collect();
vec.append(&mut tvec);
let evec = E::every_variant();
let mut evec = evec.into_iter().map(|t| Err(t)).collect();
vec.append(&mut evec);
vec
}
}
#[cfg(test)]
mod tests {
#[test]
fn it_works() {
assert_eq!(2 + 2, 4);
}
}