From: Brett Simmers <bsimmers@...>
Date: 2007-07-31T02:16:26+09:00
Subject: Re: array.include?

Do you need the order of the items to be preserved?  If not, you should 
think about using a Set instead of an Array.  You could then use 
Set#add, which accomplishes the same thing and is MUCH faster, 
especially if your data set gets fairly large.  Array#include? has to do 
a linear search over the entire Array, but most operations on Sets are 
constant time, including Set#add, Set#add?, and Set#include?

Brett

Jeffrey Bowen wrote:
> if @status_array.include? @status_number
> else
>    @status_array << @status_number
> end
>
> I'm using the above to append an array if it does not
> include @status_number.  Is there an include?-not
> function that would eliminate the else?  Or another
> way to do the same thing?
>
> Jeff
>
>
>        
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