From: timsuth@... (Tim Sutherland)
Date: 2004-04-26T18:29:08+09:00
Subject: Re: Propose Range.new(..., &succ)

In article <20040424171959.48054.qmail@web60903.mail.yahoo.com>, 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
[...]

As an alternative,

 (0..10.0).step(0.5) { |x|
 	# stuff
 }

Note that at least one of the ends of the range must be a Float (rather than
an Integer), otherwise you will get a "ArgumentError: step can't be 0"
exception.

-- 
Tim Sutherland <timsuth@ihug.co.nz>
2004 SDKACM President
Software Developers' Klub - the University of Auckland ACM Student Chapter
http://www.sdkacm.com/