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<h1><a class="toc-backref" href="../refmanual.html#id376" name="iterators">Iterators</a></h1>
<a class="target" id="label-iterators" name="label-iterators"></a><p>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 <a class="reference" href="./algorithms.html">algorithms</a> from concrete compile-time <a class="reference" href="./classes.html#label-sequences-classes">sequence 
implementations</a>. 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.</p>
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