Useful list functions » History » Version 1
iri, 12/17/2011 10:51 PM
| 1 | 1 | iri | h1. Useful list functions |
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| 3 | * Returns the part of a list between two given indexes. |
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| 5 | <pre> |
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| 6 | fun extractList2 (l, start, end, counter)= |
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| 7 | if (counter > end) || (l == nil) then |
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| 8 | nil |
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| 9 | else |
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| 10 | if counter < start then |
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| 11 | extractList2 tl l start end counter+1 |
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| 12 | else |
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| 13 | (hd l) :: extractList2 tl l start end counter+1;; |
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| 15 | fun extractList(l, start, end)= |
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| 16 | extractList2 l start end 0;; |
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| 17 | </pre> |
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| 19 | Author : iri |
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| 20 | Date : december 2011 |
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| 21 | |||
| 22 | *Return to [[Examples]]* |