14 lines
479 B
Nim
14 lines
479 B
Nim
import sequtils, strformat
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proc displayRange(first, last, step: int) =
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stdout.write &"({first:>2}, {last:>2}, {step:>2}): "
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echo if step > 0: ($toSeq(countup(first, last, step)))[1..^1]
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elif step < 0: ($toSeq(countdown(first, last, -step)))[1..^1]
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else: "not allowed."
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for (f, l, s) in [(-2, 2, 1), (-2, 2, 0), (-2, 2, -1),
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(-2, 2, 10), (2, -2, 1), (2, 2, 1),
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(2, 2, -1), (2, 2, 0), (0, 0, 0)]:
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displayRange(f, l, s)
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