From: Joe Van Dyk <joevandyk@...>
Date: 2005-04-29T07:50:22+09:00
Subject: Re: stupid question

On 4/28/05, James Edward Gray II <james@grayproductions.net> wrote:
> On Apr 28, 2005, at 4:18 PM, Dick Davies wrote:
> 
> > rasputnik$ ri Numeric#step
> > -----------------------------------------------------------
> > Numeric#step
> 
> I the new version which I think is cool:
> 
> ------------------------------------------------------------- Range#step
>       rng.step(n=1) {| obj | block }    => rng
> ------------------------------------------------------------------------
>       Iterates over rng, passing each nth element to the block. If the
>       range contains numbers or strings, natural ordering is used.
>       Otherwise step invokes succ to iterate through range elements. The
>       following code uses class Xs, which is defined in the class-level
>       documentation.
> 
>          range = Xs.new(1)..Xs.new(10)
>          range.step(2) {|x| puts x}
>          range.step(3) {|x| puts x}
> 
>       produces:
> 
>           1 x
>           3 xxx
>           5 xxxxx
>           7 xxxxxxx
>           9 xxxxxxxxx
>           1 x
>           4 xxxx
>           7 xxxxxxx
> 

But that only goes up, right?