crazy tuple ideas.

[Knud Soerensen]

With people starting to write compiler time parsers, 
maybe it would be a good idea to have a standard way for
representing syntax trees.

By allowing tuples to contain tuples we will have something 
very similar to the lisp list expression. 
Example:
Tuple!(=,E,Tuple!(*,m,Tuple!(^,c,2))); // E=m*c^2;
or maybe allowing the programmer to write just 
(=,E,(*,m,(^,c,2)))

By using a standard way for representing syntax trees 
we allow for more code sharing between project which 
uses them.

Also if the D compiler made the programs syntax tree
available doing compilation if would be possible to make 
modules which could modify the programs syntax tree at compiler time.