Any way to set len and ptr in dyn arrays?

[nobody]

Tom S wrote:
 > nobody wrote:
 >>   theArray.myArrayInternals.len = buf[0] * buf[1];
 >>   theArray.myArrayInternals.ptr = &buf[2];
 >
 > erm ...
 >
 > foo = (&buf[2])[0 .. buf[0] * buf[1]];

Thanks for your answer. I understand that would ultimately have 
the same result. My question is about whether that directly sets 
the len and ptr fields or are does more stuff happen. If so what 
is it? If not then why is there no direct access to the ptr and 
len fields?