My thoughts & experiences with D so far, as a novice D coder

[H. S. Teoh]

On Wed, Mar 27, 2013 at 07:41:42PM +0100, John Colvin wrote:
> On Wednesday, 27 March 2013 at 18:06:46 UTC, Vidar Wahlberg wrote:
> >I'm impressed and most grateful for the feedback, I've learned
> >some new things today :)
> >
> >>int i = 5;
> >>auto foo = new int[][](i,i);
> >
> >Won't this create an array (with 5 elements) of arrays (with 5
> >elements), also called a "jagged array"? Where memory is not
> >necessarily continuously allocated and looking up values adds
> >another layer of indirection?
> >
> 
> Unfortunately yes.
> 
> However, it's not a hard problem to overcome with a wrapper struct
> over a contiguous array.

Which is what Denis' multidimensional array implementation does. As does
my implementation as well.

This seems to be quite a common use-case; we should put this into Phobos
IMO.


T

-- 
People tell me that I'm skeptical, but I don't believe it.