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# Hashmaps
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A *hash map* allows you to associate a value with a particular key.
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You may also know this by the names [*unordered map* in C++](https://en.cppreference.com/w/cpp/container/unordered_map),
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[*dictionary* in Python](https://docs.python.org/3/tutorial/datastructures.html#dictionaries) or an *associative array* in other languages.
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2020-10-26 02:54:32 -04:00
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This is the other data structure that we've been talking about before, when
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talking about Vecs.
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## Further information
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- [Storing Keys with Associated Values in Hash Maps](https://doc.rust-lang.org/book/ch08-03-hash-maps.html)
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