Replace core language HexStrings with library entity

[Baz via Digitalmars-d]

On Sunday, 15 March 2015 at 21:34:22 UTC, Walter Bright wrote:
> On 3/15/2015 2:18 PM, Baz wrote:
>> On Sunday, 15 March 2015 at 19:47:06 UTC, Walter Bright wrote:
>>> HexStrings:
>>>
>>>    http://dlang.org/lex.html#HexString
>>>
>>> They're rarely used, but very useful when needed. But, as the 
>>> octal literals
>>> have shown, they can be easily replaced with a library 
>>> template:
>>>
>>>    x"00 FBCD 32FD 0A"
>>>
>>> becomes:
>>>
>>>    hex!"00 FBCD 32FD 0A"
>>>
>>> Thoughts? Anyone want to write the hex template?
>>
>> I'd be interested. Here's a quick draft based on octal:
>>
>> http://dpaste.dzfl.pl/656a94cdfdba
>>
>
> I think you've got the right idea. Time for a pull request?
>
> P.S. Also need to include all the examples in the dlang 
> reference as unittest cases.

Yes, i'll send a PR tomorrow of tuesday.