Converting uint[] slice to string for the purpose of hashing?

[Enjoys Math via Digitalmars-d-learn]

On Thursday, 23 July 2015 at 12:10:04 UTC, Enjoys Math wrote:
> On Thursday, 23 July 2015 at 11:49:05 UTC, cym13 wrote:
>>     [...]
>
> Thanks.  That worked.   Here's my code:
>
> module hashtools;
> import std.conv;
> import std.digest.md;
>
> string uintSliceToHash(const uint[] slice) {
>     auto  md5 = new MD5Digest();
>     md5.put(slice.to!(ubyte[]));
>     return md5.finish().to!(string);
> }
>
> unittest {
>     import std.stdio;
>     uint[] slice = [1,2,3,4];
>     writeln(uintSliceToHash(slice));
> }

Actually, uint[] seems to be hashable:

     import std.stdio;
     int[uint[]] aa;
     aa[[1,2,3]] = 5;
     writeln(aa[[1,2,3]]);

WORKS