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new files for iterator concepts

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[SVN r22004]
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Jeremy Siek
2004-01-27 17:03:46 +00:00
parent b502873f00
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doc/LvalueIterator.rst Executable file
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Lvalue Iterator Concept
.......................
The *Lvalue Iterator* concept adds the requirement that the return
type of ``operator*`` type be a reference to the value type of the
iterator.
+-------------------------------------------------------------+
| Lvalue Iterator Requirements |
+-------------+-----------+-----------------------------------+
|Expression |Return Type|Note/Assertion |
+=============+===========+===================================+
|``*a`` | ``T&`` |``T`` is *cv* |
| | |``iterator_traits<X>::value_type`` |
| | |where *cv* is an optional |
| | |cv-qualification. |
| | |pre: ``a`` is |
| | |dereferenceable. If ``a |
| | |== b`` then ``*a`` is |
| | |equivalent to ``*b``. |
+-------------+-----------+-----------------------------------+