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fowlmouth/gist:7800592

Created December 5, 2013 05:33
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gistfile1.nim
iterator countfrom (start, fin: int, step = 1): int =
if start < fin:
for i in countup(start, fin, step):
yield i
else:
for i in countdown(start, fin, step):
yield i
for x in countfrom(10,1):
echo x
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