From: Raj Sahae <rajsahae@...>
Date: 2007-04-10T03:03:52+09:00
Subject: Re: Infinate Loop - Please Advise

John Joyce wrote:
> here's another example, using downto
>
>
> beer = 99
> beer.downto(0) do |b|
>   puts "#{b} bottles of beer."
>   puts "take one, drink it."
>   puts "#{b - 1} left."
> end
>
> but that needs an if statement to take care of the negative beer!
>
> beer = 99
> beer.downto(0) do |b|
>   puts "#{b} bottles of beer."
>   if b > 0 do
>     puts "take one, drink it."
>     puts "#{b - 1} left."
>   end
> end
>
>
> Of course it could be shorter still. but that's for you to toy with.
>
>
why wouldn't you just have beer.downto(1) and ditch the if statement?