/*
 *  call-seq:
 *     index_reader.has_deletions? -> bool
 *
 *  Return true if the index has any deletions, either uncommitted by this
 *  IndexReader or committed by any other IndexReader.
 */
static VALUE
frt_ir_has_deletions(VALUE self)
{
    IndexReader *ir = (IndexReader *)DATA_PTR(self);
    return ir->has_deletions(ir) ? Qtrue : Qfalse;
}