mirror of
https://github.com/typst/typst
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57 lines
1.2 KiB
Typst
57 lines
1.2 KiB
Typst
// Test state.
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---
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#let s = state("hey", "a")
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#let double(it) = 2 * it
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#s.update(double)
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#s.update(double)
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$ 2 + 3 $
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#s.update(double)
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Is: #s.display(),
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Was: #locate(location => {
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let it = query(math.equation, location).first()
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s.at(it.location())
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}).
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---
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// Try same key with different initial value.
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#state("key", 2).display()
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#state("key").update(x => x + 1)
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#state("key", 2).display()
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#state("key", 3).display()
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#state("key").update(x => x + 1)
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#state("key", 2).display()
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---
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#set page(width: 200pt)
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#set text(8pt)
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#let ls = state("lorem", lorem(1000).split("."))
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#let loremum(count) = {
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ls.display(list => list.slice(0, count).join(".").trim() + ".")
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ls.update(list => list.slice(count))
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}
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#let fs = state("fader", red)
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#let trait(title) = block[
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#fs.display(color => text(fill: color)[
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*#title:* #loremum(1)
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])
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#fs.update(color => color.lighten(30%))
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]
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#trait[Boldness]
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#trait[Adventure]
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#trait[Fear]
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#trait[Anger]
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---
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// Make sure that a warning is produced if the layout fails to converge.
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// Warning: layout did not converge within 5 attempts
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// Hint: check if any states or queries are updating themselves
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#let s = state("s", 1)
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#locate(loc => s.update(s.final(loc) + 1))
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#s.display()
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