From: L Forrister <wehavenothingtofear@...>
Date: 2007-04-03T14:01:15+09:00
Subject: Re: Last iteration condition

On 4/2/07, Mike <michaelst@gmail.com> wrote:

>    How could I know that current iteration is the last in the series?
> [1, 2, 3, 4, 5, 3, 4].each do |element|
>    print element.to_s
>    print ',' if !LAST
> end

[1, 2, 3, 4, 5, 3, 4].each_index do |index|
   print ',' if index > 0
   print element[index].to_s
#-- or --  if the logic "print ',' " is actually dependent on the
values of the elements
   print element[index-1].to_s
end

~~LF