(I'm using Ruby 1.8.6.) The following expression... rand(rand 3) ...makes ruby emit a warning: "warning: parenthesize argument(s) for future version" It seems that I have to write is as "rand(rand(3))". Why? What potential problem could there be in "rand(rand 3)" ?
on 2008-12-28 15:52
on 2008-12-28 21:49
Albert Schlef wrote: > problem could there be in "rand(rand 3)" ? > This does not happen in 1.8.7 or 1.9.1, so I assume they have found a way around this. Even "rand rand 3" works. -Justin
on 2008-12-29 10:55
Justin Collins wrote: > This does not happen in 1.8.7 or 1.9.1, so I assume they have found a > way around this. Justin, thanks for the info! (I've just checked 1.8.7's ChangeLog, and, indeed, I saw that this warning has been removed. I'll have to upgrade my Ubuntu.)