strange template syntax

[BCS]

Hello Philippe,

> Hello,
> 
> some time ago, chris (ruunhb) posted something on his Dspec project,
> where he used a template syntax I didn't know:
> 
> ----
> void each(alias array, T : T[] = typeof(array))(void delegate(T item)
> dg) {
> foreach(T i; array)
> dg(i);
> }
> int[] array = [1, 2, 3, 4];
> int b = 10;
> each!(array) = (int item) {
> writefln("%d", item + b);
> };
> ---
> I'm intrigued by the last lines. I'd have thought 'each' to be invoked
> by:
> 
> each!(array)( (int item) {writefln("%d", item+b)} );
> 

What that is, is the property syntax. I places where there is a function 
named foo that takes one arg, it can be called by "foo = arg;"

> But this doesn't work. And I never encountered Chris' syntax before:

I'm not sure why the normal syntax wouldn't work.

-- 
... <IXOYE><