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Swappable Iterator Concept
A class or built-in type X models the Swappable Iterator concept if, in addition to X being Copy Constructible, the following expressions are valid and respect the stated semantics.
| Swappable Iterator Requirements (in addition to Copy Constructible) | ||
|---|---|---|
| Expression | Return Type | Postcondition |
| iter_swap(a, b) | void | the pointed to values are exchanged |
- [Note: An iterator that is a model of the Readable and Writable Iterator concepts
- is also a model of Swappable Iterator. --end note]
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