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Defines the container class templates unordered_map and unordered_multimap and their supporting templates.
Syntax
#include <unordered_map>
Note
The <unordered_map> library also uses the #include <initializer_list> statement.
Classes
| Class | Description |
|---|---|
| unordered_map Class | Stores hash table of {key, mapped} pairs. |
| unordered_multimap Class | Stores hash table of {key, mapped} pairs. |
Functions
| Function | Description |
|---|---|
| operator!= | Tests if the unordered_map object on the left side of the operator is not equal to the unordered_map object on the right side. |
| operator== | Tests if the unordered_map object on the left side of the operator is equal to the unordered_map object on the right side. |
| swap Function (unordered_map) | Swaps two maps. |
| operator!= | Tests if the unordered_multimap object on the left side of the operator is not equal to the unordered_multimap object on the right side. |
| operator== | Tests if the unordered_multimap object on the left side of the operator is equal to the unordered_multimap object on the right side. |
| swap Function (unordered_map) | Swaps two multimaps. |