shifting array slices

[Ellery Newcomer]

http://d.puremagic.com/issues/show_bug.cgi?id=7484

On 02/11/2012 12:09 PM, Ellery Newcomer wrote:
> I'm pretty sure this used to work:
>
> import std.algorithm;
>
> int[] ra;
> copy(ra[5 .. 10], ra[4 .. 9]);
>
> and would correctly shift the range [5 .. 10] down one
> (unlike ra[4 .. 9] = ra[5 .. 10], which is prohibited by spec)
>
> In dmd 2.057 of course it doesn't work; is this a bug or should I be
> looking elsewhere for this functionality?