From: Jari Williamsson <jari.williamsson@...>
Date: 2008-03-20T16:52:42+09:00
Subject: Re: about for loop

Pat Kiatchaipipat wrote:
> for i in 0..5
>   print i
> end

For loops are not very rubyish. Please use an internal iterator instead. 
For example:
(0..5).each { |i| print i }
or
0.upto(5) { |i| print i }
or
6.times { |i| print i }


> it show me '012345'.
> and then I want to show '543210' and I try.
> 
> for i in 5..0
>   print i
> end
> 
> it doesn't work :'(.
> how can I do it??

5.downto(0) { |i| print i }


Best regards,

Jari Williamsson