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
|
import expect
import tuple
pub fn new_test() {
tuple:new(1, 2)
|> expect:equal(_, {1, 2})
tuple:new(2, "3")
|> expect:equal(_, {2, "3"})
}
pub fn first_test() {
{1, 2}
|> tuple:first
|> expect:equal(_, 1)
}
pub fn second_test() {
{1, 2}
|> tuple:second
|> expect:equal(_, 2)
}
pub fn swap_test() {
{1, "2"}
|> tuple:swap
|> expect:equal(_, {"2", 1})
}
pub fn fetch_test() {
let proplist = [{0, "1"}, {1, "2"}]
proplist
|> tuple:fetch(_, 0)
|> expect:equal(_, Ok("1"))
proplist
|> tuple:fetch(_, 1)
|> expect:equal(_, Ok("2"))
proplist
|> tuple:fetch(_, 2)
|> expect:is_error
}
|
