/*
 *  call-seq:
 *     iw.doc_count -> number
 *
 *  Returns the number of documents in the Index. Note that deletions won't be
 *  taken into account until the IndexWriter has been committed.
 */
static VALUE
frt_iw_get_doc_count(VALUE self)
{
    IndexWriter *iw = (IndexWriter *)DATA_PTR(self);
    return INT2FIX(iw_doc_count(iw));
}