The Case Against Autodecode

[Andrei Alexandrescu via Digitalmars-d]

On 6/2/16 5:23 PM, Timon Gehr wrote:
> On 02.06.2016 22:51, Andrei Alexandrescu wrote:
>> On 06/02/2016 04:50 PM, Timon Gehr wrote:
>>> On 02.06.2016 22:28, Andrei Alexandrescu wrote:
>>>> On 06/02/2016 04:12 PM, Timon Gehr wrote:
>>>>> It is not meaningful to compare utf-8 and utf-16 code units directly.
>>>>
>>>> But it is meaningful to compare Unicode code points. -- Andrei
>>>>
>>>
>>> It is also meaningful to compare two utf-8 code units or two utf-16 code
>>> units.
>>
>> By decoding them of course. -- Andrei
>>
>
> That makes no sense, I cannot decode single code units.
>
> BTW, I guess the reason why char converts to wchar converts to dchar is
> that the lower half of code units in char and the lower half of code
> units in wchar are code points. Maybe code units and code points with
> low numerical values should have distinct types.

Then you lost me. (I'm sure you're making a good point.) -- Andrei