/*
 *  call-seq:
 *     index_reader.is_latest? -> bool
 *
 *  Return true if the index version referenced by this IndexReader is the
 *  latest version of the index. If it isn't you should close and reopen the
 *  index to search the latest documents added to the index.
 */
static VALUE
frt_ir_is_latest(VALUE self)
{
    IndexReader *ir = (IndexReader *)DATA_PTR(self);
    return ir_is_latest(ir) ? Qtrue : Qfalse;
}