mirror of
https://github.com/typst/typst
synced 2025-05-16 10:05:28 +08:00
c94a18833f
Supports: - Closure syntax: `(x, y) => z` - Shorthand for a single argument: `x => y` - Function syntax: `let f(x) = y` - Capturing of variables from the environment - Error messages for too few / many passed arguments Does not support: - Named arguments - Variadic arguments with `..`
64 lines
1.0 KiB
Typst
64 lines
1.0 KiB
Typst
// Test let bindings.
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---
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// Ref: false
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// Automatically initialized with none.
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#let x
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#test(x, none)
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// Error: 9 expected expression
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#let y =
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#test(y, none)
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// Manually initialized with one.
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#let z = 1
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#test(z, 1)
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---
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// Syntax sugar for function definitions.
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#let background = #239dad
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#let box(body) = box(width: 2cm, height: 1cm, color: background, body)
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#box[Hi!]
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// Error: 13 expected body
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#let func(x)
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// Error: 2-6 unknown variable
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{func}
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// Error: 15 expected expression
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#let func(x) =
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// Error: 2-6 unknown variable
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{func}
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---
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// Termination.
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// Terminated by line break.
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#let v1 = 1
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One
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// Terminated by semicolon.
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#let v2 = 2; Two
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// Terminated by semicolon and line break.
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#let v3 = 3;
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Three
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// Terminated because expression ends.
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// Error: 12 expected semicolon or line break
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#let v4 = 4 Four
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// Terminated by semicolon even though we are in a paren group.
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// Error: 2:19 expected expression
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// Error: 1:19 expected closing paren
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#let v5 = (1, 2 + ; Five
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#test(v1, 1)
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#test(v2, 2)
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#test(v3, 3)
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#test(v4, 4)
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#test(v5, (1, 2))
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