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19 lines
448 B
Nim
19 lines
448 B
Nim
discard """
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cmd: "nim check $options $file"
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errormsg: "wrong number of variables"
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"""
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iterator xclusters*[T](a: openArray[T]; s: static[int]): array[s, T] {.inline.} =
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var result: array[s, T] # iterators have no default result variable
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var i = 0
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while i < len(a):
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for j, x in mpairs(result):
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x = a[(i + j) mod len(a)]
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yield result
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inc(i)
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proc m =
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for (i, j, k) in xclusters([1, 2, 3, 4, 5], 3):
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echo i, j, k
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m() |