From: unbewusst.sein@... (=?ISO-8859-1?Q?Une_B=E9vue?=)
Date: 2010-06-03T00:15:05+09:00
Subject: Re: having a class method called only one time ?

Jes�s Gabriel y Gal�n <jgabrielygalan@gmail.com> wrote:

> I think it looks cleaner using the idiom Tony described:
> 
>  class HFSFile
>   def host_ip
>     @host_ip ||= host_ip_get
>   end
>   private
> 
>   def host_ip_get
>     $stderr.puts "'host_ip_get' was called!" # called 1 time for 2
> instantiations.
>     host_ip = ''
>     while host_ip.empty?
>       host_ip = `curl -s http://whatismyip.org`.chomp
>     end
>     host_ip
>   end
>  end

i do agree, it's cleaner and much more rubyish, thanks !
-- 
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   (Voltaire)