What are AST Macros?

[retard]

Tue, 13 Jul 2010 04:58:04 -0400, bearophile wrote:

> Don:
>> CTFE isn't intrinsically slow. The reason it's so slow in DMD right now
>> is that the treatment of CTFE variables is done in an absurdly
>> inefficient way.
> 
> Are those arrays managed like immutable arrays in a functional language?
> :-) To implement mutable arrays with an immutable data structure you
> need a GC designed for it (like the Haskell one) and a different
> underlying implementation, like a finger tree, that avoids most of the
> copying and allocations :-)

Why so many smileys?