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Associative array: Difference between revisions
Perl: mention hash table
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[[Category:Encyclopedia]]An '''associative array''' is a collection indexed by arbitrary data types, not just small integers. Whereas an [[array]] is typically implemented as many same-sized items stored in a contiguous block of memory, an associative array must be implemented via a more complex data structure, such as a hash table, a list, or some other type of map.
The terminology and semantics of these vary among different programming languages. For example in Perl they are called ''"hashes"'' (
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