From: Jamis Buck <jgb3@...>
Date: 2004-10-11T07:14:22+09:00
Subject: Re: Putting some code out to DRY

Mauricio Fern�ndez wrote:
> On Mon, Oct 11, 2004 at 04:25:30AM +0900, trans.  (T. Onoma) wrote:
> 
>>Notice the three lines of duplication. Any ideas on DRYing this up?
>>    
>>    def each
>>      seed = @start
> 
> 
> Am I the only one who sometimes does things resembling
> 	  whatever = lambda do
>            yield(seed)
>            @skip.times { seed = seed.succ }
>            break if @halt.call(seed) if @halt
>       end
> and then whatever[]   ??

Glad you mentioned this, batsman. I was just about to. Let me fill in 
the blank at the end of your example, though, since I'm the type of guy 
that just can't stand a song only partially sung...

   @step ? @step.times(&whatever) : loop(&whatever)

- Jamis

> 
> 
> 
>>      if @step
>>        @step.times do
>>          yield(seed)
>>          @skip.times { seed = seed.succ }          
>>          break if @halt.call(seed) if @halt
>>        end
>>      else
>>        loop do
>>          yield(seed)
>>          @skip.times { seed = seed.succ }
>>          break if @halt.call(seed) if @halt
>>        end
>>      end
>>    end
>>
>>Thanks,
>>T.
>>
>>
>>[CO2D] or [WET] ?
>>
>>
> 
> 


-- 
Jamis Buck
jgb3@email.byu.edu
http://www.jamisbuck.org/jamis