[LLVMdev] Enhancing TableGen

[Jakob Stoklund Olesen]

On Oct 11, 2011, at 1:33 PM, David A. Greene wrote:

> Jakob Stoklund Olesen <stoklund at 2pi.dk> writes:
> 
>> How about:
> 
> foreach x = [...]
> 
> I could do 
> 
> foreach x in [...]
> 
> but that requires another keyword.  Do we care?

The syntax should be consistent with let expressions, even if the meaning is completely different.

That is: "foreach x = […] in { def … }"

>> Another thing that needs clarification is the multiple variable
>> syntax:
>> 
>>  for x = [1, 2, 3], y = [4, 5, 6] in { … }
>> 
>> It is not clear if you get a cross product or a 'zip'.
> 
> Che-Liang proposed a zip and I think I like that.

Yes, we definitely need to do a zip.

I was looking for a syntax that makes it clear what is happening.

/jakob