From: brabuhr@...
Date: 2009-07-18T11:14:31+09:00
Subject: Re: Need Help with another Simple Program

On Fri, Jul 17, 2009 at 9:52 PM, Max Norman<maxnorman@comcast.net> wrote:
> As an exercise out of Chris Pine's 'Learning to Program,' I've attempted
> to build a program that calculates the number of leap years between two
> given years....
>
> while year_one.to_i < year_two.to_i
>  if year_one%4 == 0
>    if year_one%100 != 0 || year_one%400 == 0
>      total = total + 1
>      year_one = year_one+ 1
>    else
>      year_one = year_one+ 1
>  end
> end
> end
>
> What's going wrong?

Consider this snippet:

i = 0
while i < 1
  if false
    i += 1 # oops, we never get here
  end
end