From: ara.t.howard@...
Date: 2006-01-15T07:29:18+09:00
Subject: Re: Range#member? Oddity

On Sun, 15 Jan 2006, David Vallner wrote:

> You could theorethically check whether the range endpoints are comparable,
> and whether the starting one defines #succ, and then mix in Enumerable to
> the Ranges that indeed are to get more strictly correct behaviour.

but that prevents me from doing this

     harp:~ > cat a.rb
     require "yaml"

     e = Float::EPSILON
     r = 1.0 .. 1.0000000000000091038288019262836314737796783447265625

     class Float
       def succ() self + EPSILON end
     end

     a = r.to_a

     y "r.min" => ("%52.52f" % r.min)
     y "r.max" => ("%52.52f" % r.max)
     y "r.to_a.size" => r.to_a.size



     harp:~ > ruby a.rb
     ---
     r.min: "1.0000000000000000000000000000000000000000000000000000"
     ---
     r.max: "1.0000000000000091038288019262836314737796783447265625"
     ---
     r.to_a.size: 42


i can easily imagine uses for code just like that.  i think it's best if ruby
will let us run quickly with knives.

regards.

-a
-- 
strong and healthy, who thinks of sickness until it strikes like lightning?
preoccupied with the world, who thinks of death, until it arrives like
thunder?  -- milarepa