projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | .. Copyright David Abrahams 2006. Distributed under the Boost |
| 2 | .. Software License, Version 1.0. (See accompanying | |
| 3 | .. file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) | |
| 4 | ||
| 5 | Swappable Iterator Concept | |
| 6 | .......................... | |
| 7 | ||
| 8 | A class or built-in type ``X`` models the *Swappable Iterator* concept | |
| 9 | if, in addition to ``X`` being Copy Constructible, the following | |
| 10 | expressions are valid and respect the stated semantics. | |
| 11 | ||
| 12 | +---------------------------------------------------------------------+ | |
| 13 | |Swappable Iterator Requirements (in addition to Copy Constructible) | | |
| 14 | +-------------------------+-------------+-----------------------------+ | |
| 15 | |Expression |Return Type |Postcondition | | |
| 16 | +=========================+=============+=============================+ | |
| 17 | |``iter_swap(a, b)`` |``void`` |the pointed to values are | | |
| 18 | | | |exchanged | | |
| 19 | +-------------------------+-------------+-----------------------------+ | |
| 20 | ||
| 21 | [*Note:* An iterator that is a model of the *Readable* and *Writable Iterator* concepts | |
| 22 | is also a model of *Swappable Iterator*. *--end note*] | |
| 23 |