Docs for `Group` type

[Bahman Movaqar via Digitalmars-d-learn]

On 07/12/2016 04:21 PM, Edwin van Leeuwen wrote:
> On Tuesday, 12 July 2016 at 11:40:48 UTC, Bahman Movaqar wrote:
>> On 07/12/2016 01:01 PM, Mike Parker wrote:
>>> Do you have some sample code that shows the error?
>>
>> Yes.  I'm working on Stockman[1] a playground to learn D.
>> In file `etl.d`, line 110 [2], if I change the line to
>>     auto refInvoice = group[1].takeOne();
>> the file will not compile.  I have attached the compile error to this
>> message.
>>
>> Thanks,
> 
> What does group.writeln; output? That should give you a good sense of
> what is going on.

That's a good trick to know.  Thanks.

-- 
Bahman