A Tango Fibers question and a functional programming anecdote.

[downs]

Daniel Keep wrote:
> 
> BCS wrote:
>> Reply to Benjamin,
>> ...
>>> how the heck is that parsing?? Is the /map/ actualy this:
>>>
>>> (A / B) / C; ??
>>>
>> BTW if that is what you are doing, I may be force to do something
>> totally EVIL to reclaim some ground in the "does nasty things with D"
>> ranking. I have a few ideas though....  }:-)  (BBBBWWWWAAAA HAA Haa
>> haaa.....)

Looking forward to it! :)
The world needs more weird and disturbing things. Shake it up.

> 
> IIRC, map is basically defined like this:
> 
> struct map
> {
>   static map_ opDiv_r(T)(some_array_type!(T));
> }
> 
> struct map_
> {
>   some_array_type!(T) opDiv(T)(some_delegate_type!(T));
> }
> 
> Or something similar.
> 
> 	-- Daniel

Yes exactly; though I have all the ugliness packed around in a template.


Quote from the respective file:
>
> mixin(Operator!("map", "
>   static if (is(ReturnType!(RHS)==void)) {
>     foreach (ref entry; lhs) rhs(mixin(Value!(ElemType!(LHS), RHS,
"~Quote!("entry")~")));
>   } else {
>     auto res=new ReturnType!(RHS)[lhs.length];
>     foreach (id, ref entry; res)
entry=rhs(mixin(Value!(ElemType!(LHS), RHS, "~Quote!("lhs[id]")~")));
>     return res;
>   }
> "));
>