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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>An indexmap is basically a managed array of pointers, but it allows you to derive relatively quickly the index from a pointer in the array. </p>
<p>The index is assumed to be 0-N (where N is the current size of the array). You can sort the data and retain access to an index from the data relatively quickly. There is a hashtab 