Le 20 septembre 20:17, Joel VanderWerf a ˝─rit :

> a.each_run(proc {|prev, s| prev.succ == s}) do |run|

There's a catch with succ : 

>> "S9".succ
=> "T0"

Definitely not what I want !  :)

Fred
-- 
                       You ask me if I've known love
And what it's like to sing songs in the rain   Well, I've seen love come
And I've seen it shot down                      I've seen it die in vain
Shot down in a blaze of glory                 (Bon Jovi, Blaze of Glory)