How fast is D compared to C++?

[Bekenn]

On 3/2/11 11:40 AM, Trass3r wrote:
> I just can't imagine why in should be faster than const ref.

The use of ref introduces a level of indirection.  I suspect the writer 
was trying to avoid copying array elements -- unnecessary, since 
vector_t was defined as a dynamic array, where only the bounds are 
passed.  With ref, every access to a vector_t object involves a pointer 
dereference.  Take out the ref, and const should behave identically to 
in.  (It had better -- in and const are synonyms!)