blob: bb5f1a41857876d4ddbd10e9cdafaf2b24e601ad (
plain) (
blame)
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
|
// Test state.
--- state-basic ---
#let s = state("hey", "a")
#let double(it) = 2 * it
#s.update(double)
#s.update(double)
$ 2 + 3 $
#s.update(double)
Is: #context s.get(),
Was: #context {
let it = query(math.equation).first()
s.at(it.location())
}.
--- state-multiple-calls-same-key ---
// Try same key with different initial value.
#context state("key", 2).get()
#state("key").update(x => x + 1)
#context state("key", 2).get()
#context state("key", 3).get()
#state("key").update(x => x + 1)
#context state("key", 2).get()
--- state-nested ---
#set page(width: 200pt)
#set text(8pt)
#let ls = state("lorem", lorem(30).split(" "))
#let loremum(count) = {
context ls.get().slice(0, count).join(".").trim() + "."
ls.update(list => list.slice(count))
}
#let fs = state("fader", red)
#let trait(title) = block[
#context text(fill: fs.get())[
*#title:* #loremum(1)
]
#fs.update(color => color.lighten(30%))
]
#trait[Boldness]
#trait[Adventure]
#trait[Fear]
#trait[Anger]
--- state-no-convergence ---
// Make sure that a warning is produced if the layout fails to converge.
// Warning: layout did not converge within 5 attempts
// Hint: check if any states or queries are updating themselves
#let s = state("s", 1)
#context s.update(s.final() + 1)
#context s.get()
--- state-at-no-context ---
// Test `state.at` outside of context.
// Error: 2-26 can only be used when context is known
// Hint: 2-26 try wrapping this in a `context` expression
// Hint: 2-26 the `context` expression should wrap everything that depends on this function
#state("key").at(<label>)
|
