74 lines
1.4 KiB
Typst
74 lines
1.4 KiB
Typst
#import "@preview/fervojo:0.1.1": render
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#let value = ```
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{[`value` <
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[`number` 'digit' * ! <!, ["." 'digit' * !]>],
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[`boolean` <"False", "True">],
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[`none` "None"]
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>]}
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```
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#let constraint = ```
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{[`constraint` <"_", 'value'> <">", "<", ">=", "<=", "==", "!="> <"_", 'value'>]}
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```
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#let type-with-constraints = ```
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{[`type-with-constraints` 'identifier' <!, ["+" "(" 'constraint' ")"] * !>]}
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```
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#let column-def = ```
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{[`column-def` <!, ['identifier' ":"]> <"_", 'type-with-constraints'>]}
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```
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#let frame-def = ```
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{[`frame-def` 'column-def' * ","]}
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```
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#let annotation = ```
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{[`annotation` 'identifier' <!, ["[" 'frame-def' "]"]>]}
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```
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#let rules = (
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value,
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constraint,
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type-with-constraints,
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column-def,
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frame-def,
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annotation,
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)
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#set text(font: "Source Sans 3")
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= Type annotation syntax
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#for rule in rules {
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render(rule)
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}
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/*
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#let by-name = (
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annotation: annotation,
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frame-def: frame-def,
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column-def: column-def,
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type-with-constraints: type-with-constraints,
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constraint: constraint,
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value: value,
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)
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#let substitute(base-rule) = {
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let new-rule = base-rule
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for (key, rule) in by-name.pairs() {
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new-rule = new-rule.replace("'" + key + "'", rule.text.slice(1, -1))
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}
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if new-rule != base-rule {
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new-rule = substitute(new-rule)
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}
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return new-rule
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}
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#let combined = raw(substitute(annotation.text))
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#set page(flipped: true)
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#render(combined)
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*/ |