AST macros

[David B. Held]

Daniel Keep wrote:
> Walter,
> 
> I've just been going back over my old (and now fairly crusty) coroutine
> implementation, and realised that macros could make these a *major*
> feature of D.
> 
> Ideally, I'd like to see a syntax like this:
> 
>> coro showfiles(char[] msg)(char[], char[]) // <-- input,output types
>> {
>>     char[] path;
>>     while( (path = yield) != null ) // <-- yield is a protected method
>>     {
>>         writefln("%s: %s", msg, path);
>>     }
>> }
> [...]

I thought Tango had Fibers?

Dave