On Thu, 12 Aug 2010 21:37:11 -0400, Jonathan M Davis <jmdavisprog at gmail.com> wrote: > 2. The shear difficulty in getting in getting immutable versions of > stuff. There is > no automated way to do it other than idup with arrays. Note that idup and dup are broken wrt const: http://d.puremagic.com/issues/show_bug.cgi?id=3550 -Steve