2009-12-23 11:15:07 -05:00
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< b > LindexCommand: Contents< / b > < br > < a href = "#LINDEX _key_ _index_" > LINDEX _key_ _index_< / a > < br > < a href = "#Return value" > Return value< / a >
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< h1 class = "wikiname" > LindexCommand< / h1 >
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ï » ¿ #sidebar < a href = "ListCommandsSidebar.html" > ListCommandsSidebar< / a > < h1 > < a name = "LINDEX _key_ _index_" > LINDEX _key_ _index_< / a > < / h1 >
< i > Time complexity: O(n) (with n being the length of the list)< / i > < blockquote > Return the specified element of the list stored at the specifiedkey. 0 is the first element, 1 the second and so on. Negative indexesare supported, for example -1 is the last element, -2 the penultimateand so on.< / blockquote >
2010-09-06 04:12:44 -04:00
< blockquote > If the value stored at key is not of list type an error is returned.If the index is out of range a 'nil' reply is returned.< / blockquote >
2009-12-23 11:15:07 -05:00
< blockquote > Note that even if the average time complexity is O(n) asking forthe first or the last element of the list is O(1).< / blockquote >
< h2 > < a name = "Return value" > Return value< / a > < / h2 > < a href = "ReplyTypes.html" > Bulk reply< / a > , specifically the requested element.
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