From: "David A. Black" <dblack@...>
Date: 2007-08-24T10:06:40+09:00
Subject: Re: Changing "self" for cleaner code

Hi --

On Fri, 24 Aug 2007, Morton Goldberg wrote:

> On Aug 23, 2007, at 5:45 AM, Gregor Kopp wrote:
>
>> Another way:
>> 
>> class Object
>>  def with &block
>>    yield self
>>  end
>> end
>> 
>> verylongobject = "Hakuna Matata!"
>> 
>> verylongobject.with do |o|
>>  puts o #-> Kakuna Matata!
>>  puts o.length #-> 14
>>  puts o.reverse #-> !atataM anukaH
>>  puts o.upcase #-> HAKUNA MATATA!
>> end
>
> With a small modification the OP can get exactly the syntactic form he wants:
>
> <code>
> def with obj
>  yield obj
> end
>
> verylongobject = "Hakuna Matata!"
>
> with verylongobject do |o|
> o # => "Hakuna Matata!"
> o.length # => 14
> o.reverse # => "!atataM anukaH"
> o.upcase # => "HAKUNA MATATA!"
> end
> </code>

Is that better than just calling the methods without a block? Or if
the variable length is a concern:

   o = verylongobject


David

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