Sure, they're open to _severe_ abuse, but for the case when they are
used to generate source code (eg, from a DSL), they are absolutely
perfect, and not a hack at all. In that particular scenario, they are
much better than AST macros could ever be.
They're a replacement for creating a text file, adding a line to your
makefile in order to invoke a program to read the text file and spit out
a d source file, then add another line in the makefile to compile that d
file, then link it in, and try to integrate the whole thing seamlessly.
They're a beautiful solution to a really ugly problem.
It's not fair to regard them simply as a hack to get around language
limitations.
@Walter - please add this perfect description to the mixin page ;-)
