Change representation of dynamic arrays?

[David Brown]

On Sat, Oct 20, 2007 at 01:11:44PM +1000, Daniel Keep wrote:

>You say you've measured the performance of loops using this, but what
>about slicing code?  I know that I use a lot of [lower..$-something]
>style code; how much slower does this become?  Once I'm not so busy, I
>might try to work out the proportion of foreach to $ slicing in my code. :P

I wouldn't expect the performance to change in this case.  You're doing an
addition to adjust the start pointer, and a subtraction to adjust the
length.  The new representation would do the same addition and subtraction.

In fact, it looks like it would even generate the same code.

David