Re: Is there any overhead iterating over a pointer using a slice?

[Johan Engelen via Digitalmars-d-learn]

On Tuesday, 31 May 2016 at 18:55:18 UTC, Gary Willoughby wrote:

If I have a pointer and iterate over it using a slice, like 
this:

        T* foo = &data;

        foreach (element; foo[0 .. length])
        {
                ...
        }

Is there any overhead compared with pointer arithmetic in a for 
loop?

Use the assembly output of your compiler to check! :-)  It's fun 
to look at.
For example, with GDC:
http://goo.gl/Ur9Srv

No difference.

cheers,
  Johan