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18 lines
519 B
Python
18 lines
519 B
Python
arr as [Nat; 3] = [1, 2, 3]
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a2 = arr.map(x -> x + 1).filter(x -> x <= 3).into_array()
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assert a2 == [2, 3]
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a3 = arr.skip(1).into_array()
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assert a3 == [2, 3]
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assert arr.nth(0) == 1
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a4 = arr.enumerate().map(((i, x),) -> x + i).into_array()
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assert a4 == [1, 3, 5]
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a5 = arr.reduce 0, (acc, x) -> acc + x
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assert a5 == 6
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assert arr.all x -> x <= 3
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assert arr.any x -> x == 2
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a6 = arr.chain(arr).into_array()
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assert a6 == [1, 2, 3, 1, 2, 3]
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idx = arr.position i -> i == 2
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assert idx == 1
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i = arr.find i -> i == 2
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assert i == 2
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