libs/iterator/doc/WritableIterator.rst
.. Copyright David Abrahams 2006. Distributed under the Boost
.. Software License, Version 1.0. (See accompanying
.. file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Writable Iterator Concept
.........................
A class or built-in type ``X`` models the *Writable Iterator* concept
if, in addition to ``X`` being Copy Constructible, the following
expressions are valid and respect the stated semantics. Writable
Iterators have an associated *set of value types*.
+---------------------------------------------------------------------+
|Writable Iterator Requirements (in addition to Copy Constructible) |
+-------------------------+--------------+----------------------------+
|Expression |Return Type |Precondition |
+=========================+==============+============================+
|``*a = o`` | | pre: The type of ``o`` |
| | | is in the set of |
| | | value types of ``X`` |
+-------------------------+--------------+----------------------------+