Challenge: write a really really small front() for UTF8

[Simen Kjærås]

On 2014-03-24 00:32, Mike wrote:
> On Sunday, 23 March 2014 at 21:23:18 UTC, Andrei Alexandrescu wrote:
>> Here's a baseline: http://goo.gl/91vIGc. Destroy!
>>
>> Andrei
>
> This example only considers encodings of up to 4 bytes, but UTF-8 can
> encode code points in as many as 6 bytes.  Is that not a concern?
>
> Mike

RFC 3629 (http://tools.ietf.org/html/rfc3629) restricted UTF-8 to 
conform to constraints in UTF-16, removing all 5- and 6-byte sequences.

--
   Simen