mirror of
https://github.com/typst/typst
synced 2025-05-13 20:46:23 +08:00
75 lines
1.3 KiB
Typst
75 lines
1.3 KiB
Typst
// Test for loops.
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---
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// Empty array.
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#for x in () [Nope]
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// Array.
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#let sum = 0
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#for x in (1, 2, 3, 4, 5) {
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sum += x
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}
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#test(sum, 15)
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// Dictionary is not traversed in insertion order.
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// Should output `age: 1, name: Typst,`.
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#for k, v in (name: "Typst", age: 2) [
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{k}: {v}, \
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]
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// String.
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{
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let out = ""
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let first = true
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for c in "abc" {
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if not first {
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out += ", "
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}
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first = false
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out += c
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}
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test(out, "a, b, c")
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}
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---
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// Block body.
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// Should output `[1st, 2nd, 3rd, 4th, 5th, 6th]`.
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{
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"[" + for v in (1, 2, 3, 4, 5, 6) {
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(if v > 1 [, ]
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+ [{v}]
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+ if v == 1 [st]
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+ if v == 2 [nd]
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+ if v == 3 [rd]
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+ if v >= 4 [th])
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} + "]"
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}
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// Template body.
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// Should output `234`.
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#for v in (1, 2, 3, 4, 5, 6, 7) [#if v >= 2 and v <= 5 { repr(v) }]
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---
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// Value of for loops.
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// Ref: false
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#test(type(for v in () {}), "template")
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#test(type(for v in () []), "template")
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---
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// Error: 14-19 unknown variable
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#let error = error
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// Uniterable expression.
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// Error: 11-15 cannot loop over boolean
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#for v in true {}
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// Make sure that we don't complain twice.
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// Error: 11-18 cannot add integer and string
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#for v in 1 + "2" {}
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// A single error stops iteration.
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#test(error, for v in (1, 2, 3) {
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if v < 2 [Ok] else {error}
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})
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