[llvm-commits] [PATCH 01/13] Add For Loop Structures

[Rotem, Nadav]

David, 

Maybe I missed this in previous emails, but I am not sure what is the motivation for the zip operator. 

Thanks,
Nadav

-----Original Message-----
From: llvm-commits-bounces at cs.uiuc.edu [mailto:llvm-commits-bounces at cs.uiuc.edu] On Behalf Of David A. Greene
Sent: Friday, February 03, 2012 21:10
To: Jakob Stoklund Olesen
Cc: llvm-commits at cs.uiuc.edu
Subject: Re: [llvm-commits] [PATCH 01/13] Add For Loop Structures

Jakob Stoklund Olesen <stoklund at 2pi.dk> writes:

>> Ping?
>
> I'll get to this.

Ok, thanks.

> Are you planning more changes?

The other change I'm considering is related to foreach but also useful in its own right.  I'd like to introduce a zip operator so we can do things like this:

foreach {int a, int b} = !zip([1, 3, 5, 7], [2, 4, 6, 8]) {
  ...
}

Otherwide there is no easy way to iterate over multiple lists "in tandem."  I think this was identified as a desirable feature.

The above isn't implemented yet.

                       -Dave
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