From: Logan Capaldo <logancapaldo@...>
Date: 2006-08-31T11:31:46+09:00
Subject: Re: [RCR] Array.step


On Aug 30, 2006, at 10:22 PM, nobu@ruby-lang.org wrote:

> Hi,
>
> At Thu, 31 Aug 2006 03:02:14 +0900,
> Logan Capaldo wrote in [ruby-talk:211561]:
>> I'd almost rather make the RCR for changing step rather than adding
>> Array.step. It's more general, and with 1.9 magic iterators I think
>> it would obviate the need to even have Array.step, e.g.: 1.step
>> (3).to_a. Make n.step { ... } work as well and make it walk backwards
>> if its from high to low.
>
> Do you mean this?
>
>   $ ruby -v -e 'p 1.step(5,2).to_a'
>   ruby 1.9.0 (2006-08-29) [i686-linux]
>   [1, 3, 5]
>
Pretty much, except possibly supporting Ara's additional requirements  
of 9.step.to_a and 1.step(-2).to_a #=> [1, 0, -1, -2]

> -- 
> Nobu Nakada
>