Replace core language HexStrings with library entity

[Adam D. Ruppe via Digitalmars-d]

On Monday, 16 March 2015 at 21:40:25 UTC, Walter Bright wrote:
> BTW, the motivation for x strings is that dumpers often put out 
> results like this:

The nice thing about CTFE is it could literally just use that 
string and snip out the pieces as needed.

I really think users should learn the language more than the 
library.... if you know the implementation of hexString, you can 
do so much more with it than if you just know the function name. 
(this is also a benefit to this kind of function over a built in, 
of course)