From: William James <w_a_x_man@...>
Date: 2006-11-25T20:50:09+09:00
Subject: Re: Shortening this expression ?


Robert Klemme wrote:
> David Kastrup <dak@gnu.org> wrote:
> > You realize that "a..b" is the same as "a...b+1"?
>
> Note: For ints and in this case this is true.  However it is not always
> true:
>
> irb(main):008:0> (1.0 .. (10.0+1)).include? 11.0
> => true
> irb(main):009:0> (1.0 ... 11.0).include? 11.0
> => false
>
> :-)
>
>     robert

irb(main):004:0> (1.0 .. 10.0).include? 10.5
=> false
irb(main):005:0> (1.0 ... (10.0+1)).include? 10.5
=> true