foreach and retro

[Namespace]

On Monday, 2 July 2012 at 16:49:06 UTC, Joseph Rushton Wakeling 
wrote:
> On 02/07/12 17:48, Timon Gehr wrote:
>> What would be your expected output?
>
> I'd expect to see
>
> 0     5
> 1     4
> 2     3
> 3     2
> 4     1
> 5     0
>
> i.e. as if I was foreach-ing over an array with the same values 
> in inverted order.

Use the .array() property:

auto Range(alias func, Args...)(Args args) {
	return func(args).array();
}

void main() {}
	double[] ad = [ 0, 1, 2, 3, 4, 5 ];

	foreach(index, x; Range!(retro)(ad)) {
		writeln(index, "\t", x);
	}
}