DustMite, a D test case minimization tool

[Robert Jacques]

On Sun, 22 May 2011 19:30:58 -0400, Vladimir Panteleev  
<vladimir at thecybershadow.net> wrote:

> On Mon, 23 May 2011 02:15:49 +0300, Robert Jacques <sandford at jhu.edu>  
> wrote:
>
>>  As for performance, using appender is never slower than ~=, as it uses  
>> essentially the same code.
>
> I don't think using ~= when appending a string to a string will validate  
> the UTF. Will it?
>

For string ~= string, appender calls string[] = string, which does a  
memcopy, iirc.