From: Iain Barnett <iainspeed@...>
Date: 2011-03-27T12:42:22+09:00
Subject: Re: shortcut for add unless nil ?


On 26 Mar 2011, at 12:41, Aaron D. Gifford wrote:

> I've found that whenever I have a variable that may be nil, doing
> .to_i or .to_s or .to_a or something similar (so long as the NilClass
> supports the type conversion I need) can come in handy.
> 
> So for something like:
> 
> big_array = array_or_nil_var1 + array_or_nil_var2 + array_or_nil_var3
> 
> I would just do:
> 
> big_array = array_or_nil_var1.to_a + array_or_nil_var2.to_a +
> array_or_nil_var3.to_a
> 
> Aaron out.
> 

Nice tip, thanks!

Regards,
Iain