From: Joel VanderWerf <vjoel@...>
Date: 2005-12-15T11:43:08+09:00
Subject: Re: LISP to Ruby translation

Douglas Livingstone wrote:
> Jut a quick one, how do you translate this:
> 
> ((if (zero? 0) + -) 3 4)
> => 7
> 
> to Ruby?
> 
> Cheers,
> Douglas
> 

3.send(x.zero? ? :+ : :-, 4)

It's a little hard to read with all those colons. Maybe this is better:

3.send(if x.zero? then :+ else :- end, 4)

Or you could replace symbols with strings for readability, at a cost to 
speed:

p 3.send(x.zero? ? "+" : "-", 4)

-- 
        vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407