From: Just Another Victim of the Ambient Morality <ihatespam@...>
Date: 2008-12-24T05:11:23+09:00
Subject: Re: Integer.step is inclusive?!


"Just Another Victim of the Ambient Morality" <ihatespam@hotmail.com> wrote 
in message news:xab4l.3997$9i5.3385@en-nntp-07.dc1.easynews.com...
>    I don't know how to post the output of irb so I'll just have to 
> describe it but if I run the following code:
>
> 0.upto(10){ |i| puts i }
>
>    ...I will get 11 lines of output.  This iterates eleven times. 
> Really?!
>    Why it does this is obvious.  Integer.upto is inclusive so it includes 
> both 0 and 10.  However, am I the only one who thinks this is strange 
> behaviour?  I mean, the ususal programming protocol is that the last 
> element is not included (half-open sets, if you will) so the number of 
> iterations is the difference between numbers.
>    Why did Ruby turn out this way?  Thank you...

    D'oh!
    ...and by ".upto" I, of course, meant ".step" !