On Mon, 03 Sep 2012 08:29:34 +0200, Jacob Carlborg <doob at me.com> wrote: > On 2012-09-02 17:16, Andrei Alexandrescu wrote: > >> Iota is a different notion (it has a step). > > Yes, but that is optional, making "iota" a more general form of an > interval. It's not optional, it has a default value. -- Simen