Faster is not even the most relevant reason why one should (and would) choose 0 == flag.
edit http://news.ycombinator.com/item?id=2082165 hit on it perfectly.
edit http://news.ycombinator.com/item?id=2082165 hit on it perfectly.
http://www.foo.be/docs/tpj/issues/vol3_2/tpj0302-0012.html
No excuse.
I've seen very readable perl code, although I won't use that to make sweeping generalizations about the entire language.