From: Kristof Bastiaensen <kristof@...>
Date: 2004-04-25T08:44:04+09:00
Subject: Re: Propose Range.new(..., &succ)

On Sun, 25 Apr 2004 02:20:03 +0900, Jeff Mitchell wrote:

> The other day I had
> 
> (5..8).map { |x|
>     # stuff 
> }.other_stuff
> 
> and at some point I wanted x to be in increments of 0.5.  What to do?
> Well I could be silly and define Float#succ.  Short of that, I need to
> change the code to either
> 
> accum = []
> 5.step(8, 0.5) { |x|
>     accum << 
> 	# stuff
> }
> accum.other_stuff
> 
> ...

Hi,
here is an alternative, using the incredible enum_for :-)
(doesn't work with ruby-1.6).

require "enumerator"
5.enum_for(:step, 8, 0.5).map { |x| #stuff }.other_stuff