Super-dee-duper D features

[Walter Bright]

Kevin Bealer wrote:
> My first thought on "how" is to build an interpreter in the compiler 
> that can run the parse tree of a D function.  Which brings us fairly 
> close to the LISP domain, the primary difference being that this 
> interpreter would not necessarily be included in the compiled program 
> (i.e. its not 'eval()', yet.)

Andrei and I have come up with some scribbling that looks like a start 
on being able to manipulate parse trees. At least we know what we want 
it to look like <g>, but it's a looong way from being a solid design and 
then an implementation.

I'm not sure where this will lead, it's like Fulton thinking "I've got 
this steam engine over here, and a boat over there, ..."