iterators.rst

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.. Copyright Aleksey Gurtovoy, David Abrahams 2007.
.. 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)
Iterators are generic means of addressing a particular element or a range 
of sequential elements in a sequence. They are also a mechanism that makes
it possible to decouple `algorithms`__ from concrete compile-time `sequence 
implementations`__. Under the hood, all MPL sequence algorithms are 
implemented in terms of iterators. In particular, that means that they 
will work on any custom compile-time sequence, given that the appropriate 
iterator inteface is provided.

__ `Algorithms`_
__ `label-Sequences-Classes`_

.. Analogy with STL iterators?
.. More?