std.digest toHexString

[Carl Sturtivant via Digitalmars-d-learn]

On Thursday, 16 March 2017 at 16:21:08 UTC, Adam D. Ruppe wrote:
>> If I replace md5Of(arg).toHexString() with 
>> toHexString(md5Of(arg))....
>
> That works for me though... maybe it is just a version mismatch 
> or something, since toHexString is in a different module than 
> md5of.

I have this problem on Linux and Windows, at 64 bits on the 
former, and 32 on the latter, with simple clean installations of 
dmd 2.073.2 on Linux, 2.073.3 on Windows. Same error message.
"toHexString.d(11): Error: function expected before (), not 
module toHexString of type void"
Module???