C string to D without memory allocation?

[Shriramana Sharma via Digitalmars-d-learn]

Rikki Cattermole wrote:

> string myCString = cast(string)ptr[0 .. strLen];

Thanks but does this require that one doesn't attempt to append to the 
returned string using ~= or such? In which case it is not safe, right?

-- 
Shriramana Sharma, Penguin #395953