| 1 | Lists all possible subsequences.
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| 2 | [:package:](https://www.npmjs.com/package/@extra-array/subsequences)
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| 3 | [:smiley_cat:](https://github.com/orgs/nodef/packages?repo_name=extra-array)
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| 4 | [:running:](https://npm.runkit.com/@extra-array/subsequences)
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| 5 | [:vhs:](https://asciinema.org/a/332139)
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| 6 | [:moon:](https://www.npmjs.com/package/@extra-array/subsequences.min)
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| 7 | [:scroll:](https://unpkg.com/@extra-array/subsequences/)
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| 8 | [:newspaper:](https://nodef.github.io/extra-array/)
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| 9 | [:blue_book:](https://github.com/nodef/extra-array/wiki/)
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| 10 |
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| 11 | > Similar: [subsequence], [subsequences], [hasSubsequence], [searchSubsequence].
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| 12 |
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| 13 | > This is part of package [extra-array].
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| 14 |
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| 15 | [extra-array]: https://www.npmjs.com/package/extra-array
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| 16 |
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| 17 | <br>
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| 18 |
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| 19 | ```javascript
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| 20 | array.subsequences(x, [n]);
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| 21 | // x: an array
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| 22 | // n: number of values (-1 => any)
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| 23 | ```
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| 24 |
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| 25 | ```javascript
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| 26 | const array = require("extra-array");
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| 27 |
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| 28 | [...array.subsequences([1, 2])];
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| 29 | // [ [], [ 1 ], [ 2 ], [ 1, 2 ] ]
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| 30 |
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| 31 | [...array.subsequences([1, 2, 3])];
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| 32 | // [
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| 33 | // [], [ 1 ],
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| 34 | // [ 2 ], [ 1, 2 ],
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| 35 | // [ 3 ], [ 1, 3 ],
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| 36 | // [ 2, 3 ], [ 1, 2, 3 ]
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| 37 | // ]
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| 38 | ```
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| 39 |
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| 40 | <br>
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| 41 | <br>
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| 42 |
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| 43 |
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| 44 | ## References
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| 45 |
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| 46 | - [Data.List.subsequences: Haskell](https://hackage.haskell.org/package/base-4.12.0.0/docs/Data-List.html#v:subsequences)
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| 47 |
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| 48 | [subsequence]: https://github.com/nodef/extra-array/wiki/subsequence
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| 49 | [subsequences]: https://github.com/nodef/extra-array/wiki/subsequences
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| 50 | [hasSubsequence]: https://github.com/nodef/extra-array/wiki/hasSubsequence
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| 51 | [searchSubsequence]: https://github.com/nodef/extra-array/wiki/searchSubsequence
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