From: Austin Ziegler <halostatue@...>
Date: 2007-03-20T09:36:26+09:00
Subject: Re: C(++) For Loop Equivalents

On 3/19/07, studlee2 <studlee2@gmail.com> wrote:
> What is the most efficient way in Ruby to create a conditional loop in
> Ruby that looks like this in C(++):
>
> for(int i=0; i*j/2<maxNum; i++)
> {
>   //cool method stuff
> }
>
>
> I was looking at the .upto() method but it doesn't like the comparison
> operator :-/

Wouldn't it be better to figure out what you're trying to do than look
for a general construct?

  >> max = 200
  => 200
  >> j = 35
  => 35
  >> i = 0
  => 0
  >> 0.upto(max) { |i| break if (i * j / 2) >= max }
  => nil
  >> i
  => 12

That will do the job.

-austin
-- 
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               * austin@zieglers.ca