note halfcountplus <p>In fact, pre-allocating can save some headaches <i>if you know the data structure is going to be a very large one</i>, qv:</p> [id://841760] <p>Pay close attention to what ikegami says in this part:</p> [id://841784] <p>As this sort of hack made a very real difference -- <b>it is not simply a matter of setting the number of slots.</b></p> 862100 862104