From: Jenda Krynicky <jenda@...>
Date: 2007-05-25T21:50:41+09:00
Subject: Re: Introducing the "it" keyword

Chad Perrin wrote:
> On Fri, May 25, 2007 at 07:42:09AM +0900, dblack@wobblini.net wrote:
>> 
>>   return v + 1 if its < 10
> 
> I'm not really clear on how that's any better than this:
> 
>   return v + 1 if v < 10
> 
> In fact, I think the "its" version is a bit more ambiguous, and thus
> probably worse.  Am I missing something?

Yep, the fact that he wanted to be able to shorten something like

 return f(x, y) + 47*Pi/y if f(x, y) + 47*Pi/y > 0

and make sure the expression is only evaluated once. Though I do think 
at least in Ruby the most sensible solution is

 tmp = f(x, y) + 47*Pi/y
 return tmp if tmp > 0

Jenda

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