mirror of
https://github.com/typst/typst
synced 2025-05-14 04:56:26 +08:00
235 lines
4.7 KiB
Typst
235 lines
4.7 KiB
Typst
// Test arrays.
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// Ref: false
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---
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// Ref: true
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#set page(width: 150pt)
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// Empty.
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#()
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// Not an array, just a parenthesized expression.
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#(1)
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// One item and trailing comma.
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#(-1,)
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// No trailing comma.
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#(true, false)
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// Multiple lines and items and trailing comma.
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#("1"
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, rgb("002")
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,)
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---
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// Test the `len` method.
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#test(().len(), 0)
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#test(("A", "B", "C").len(), 3)
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---
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// Test lvalue and rvalue access.
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#{
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let array = (1, 2)
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array.at(1) += 5 + array.at(0)
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test(array, (1, 8))
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}
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---
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// Test different lvalue method.
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#{
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let array = (1, 2, 3)
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array.first() = 7
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array.at(1) *= 8
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test(array, (7, 16, 3))
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}
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---
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// Test rvalue out of bounds.
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// Error: 2-17 array index out of bounds (index: 5, len: 3)
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#(1, 2, 3).at(5)
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---
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// Test lvalue out of bounds.
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#{
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let array = (1, 2, 3)
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// Error: 3-14 array index out of bounds (index: 3, len: 3)
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array.at(3) = 5
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}
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---
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// Test bad lvalue.
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// Error: 2:3-2:14 cannot mutate a temporary value
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#let array = (1, 2, 3)
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#(array.len() = 4)
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---
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// Test bad lvalue.
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// Error: 2:3-2:15 type array has no method `yolo`
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#let array = (1, 2, 3)
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#(array.yolo() = 4)
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---
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// Test negative indices.
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#{
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let array = (1, 2, 3, 4)
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test(array.at(0), 1)
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test(array.at(-1), 4)
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test(array.at(-2), 3)
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test(array.at(-3), 2)
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test(array.at(-4), 1)
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}
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---
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// The the `first` and `last` methods.
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#test((1,).first(), 1)
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#test((2,).last(), 2)
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#test((1, 2, 3).first(), 1)
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#test((1, 2, 3).last(), 3)
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---
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// Error: 2-12 array is empty
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#().first()
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---
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// Error: 2-11 array is empty
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#().last()
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---
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// Test the `push` and `pop` methods.
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#{
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let tasks = (a: (1, 2, 3), b: (4, 5, 6))
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test(tasks.at("a").pop(), 3)
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tasks.b.push(7)
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test(tasks.a, (1, 2))
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test(tasks.at("b"), (4, 5, 6, 7))
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}
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---
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// Test the `insert` and `remove` methods.
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#{
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let array = (0, 1, 2, 4, 5)
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array.insert(3, 3)
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test(array, range(6))
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array.remove(1)
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test(array, (0, 2, 3, 4, 5))
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}
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---
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// Error: 2:16-2:18 missing argument: index
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#let numbers = ()
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#numbers.insert()
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---
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// Test the `slice` method.
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#test((1, 2, 3, 4).slice(2), (3, 4))
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#test(range(10).slice(2, 6), (2, 3, 4, 5))
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#test(range(10).slice(4, count: 3), (4, 5, 6))
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#test(range(10).slice(-5, count: 2), (5, 6))
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#test((1, 2, 3).slice(2, -2), ())
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#test((1, 2, 3).slice(-2, 2), (2,))
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#test((1, 2, 3).slice(-3, 2), (1, 2))
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#test("ABCD".split("").slice(1, -1).join("-"), "A-B-C-D")
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---
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// Error: 2-30 array index out of bounds (index: 12, len: 10)
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#range(10).slice(9, count: 3)
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---
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// Error: 2-24 array index out of bounds (index: -4, len: 3)
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#(1, 2, 3).slice(0, -4)
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---
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// Test the `position` method.
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#test(("Hi", "❤️", "Love").position(s => s == "❤️"), 1)
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#test(("Bye", "💘", "Apart").position(s => s == "❤️"), none)
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#test(("A", "B", "CDEF", "G").position(v => v.len() > 2), 2)
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---
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// Test the `filter` method.
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#test(().filter(calc.even), ())
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#test((1, 2, 3, 4).filter(calc.even), (2, 4))
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#test((7, 3, 2, 5, 1).filter(x => x < 5), (3, 2, 1))
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---
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// Test the `map` method.
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#test(().map(x => x * 2), ())
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#test((2, 3).map(x => x * 2), (4, 6))
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---
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// Test the `fold` method.
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#test(().fold("hi", grid), "hi")
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#test((1, 2, 3, 4).fold(0, (s, x) => s + x), 10)
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---
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// Error: 20-22 unexpected argument
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#(1, 2, 3).fold(0, () => none)
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---
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// Test the `rev` method.
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#test(range(3).rev(), (2, 1, 0))
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---
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// Test the `join` method.
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#test(().join(), none)
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#test((1,).join(), 1)
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#test(("a", "b", "c").join(), "abc")
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#test("(" + ("a", "b", "c").join(", ") + ")", "(a, b, c)")
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---
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// Error: 2-22 cannot join boolean with boolean
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#(true, false).join()
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---
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// Error: 2-20 cannot join string with integer
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#("a", "b").join(1)
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---
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// Test joining content.
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// Ref: true
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#([One], [Two], [Three]).join([, ], last: [ and ]).
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---
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// Test the `sorted` method.
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#test(().sorted(), ())
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#test(((true, false) * 10).sorted(), (false,) * 10 + (true,) * 10)
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#test(("it", "the", "hi", "text").sorted(), ("hi", "it", "text", "the"))
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#test((2, 1, 3, 10, 5, 8, 6, -7, 2).sorted(), (-7, 1, 2, 2, 3, 5, 6, 8, 10))
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---
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// Error: 2-26 cannot order content and content
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#([Hi], [There]).sorted()
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---
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// Error: 2-18 array index out of bounds (index: -4, len: 3)
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#(1, 2, 3).at(-4)
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---
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// Error: 4 expected closing paren
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#{(}
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// Error: 3-4 unexpected closing paren
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#{)}
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// Error: 4-6 unexpected end of block comment
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#(1*/2)
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// Error: 6-8 invalid number suffix
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#(1, 1u 2)
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// Error: 3-4 unexpected comma
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#(,1)
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// Missing expression makes named pair incomplete, making this an empty array.
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// Error: 5 expected expression
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#(a:)
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// Named pair after this is already identified as an array.
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// Error: 6-10 expected expression, found named pair
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#(1, b: 2)
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// Keyed pair after this is already identified as an array.
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// Error: 6-14 expected expression, found keyed pair
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#(1, "key": 2)
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