http://www.codingnow.com/temp/luatable.pdf (In Chinese) Read page 13 :) 2012年9月11日 Xavier Wang <weasley.wx@gmail.com>: > hi list, > > i'm studying lua's implement now, i'm wondering why lua's table need a dummy > node, why not just set node to NULL if table's hash part is empty? could > someone tell me the reason? > > regards, > Xavier Wang -- http://blog.codingnow.com