Copy constructors

[Martijn Faassen]

Andrew Dalke <dalke at acm.org> wrote:
[snip]
> I want to point out that the current ("old-style") behaviour is
> very usful for caching results.

Just wanted to chip in to say that this style of caching is pretty nice;
I just used it in a project of mine in the same way.

Some alternative in the future system to regain the speed benefits of
this would be nice.

Regards,

Martijn