Flag proposal

[so]

On Tue, 14 Jun 2011 04:46:54 +0300, Ary Manzana <ary at esperanto.org.ar>  
wrote:

> On 6/14/11 8:36 AM, so wrote:
>> On Mon, 13 Jun 2011 20:19:15 +0300, bearophile <
>> <bearophileHUGS at lycos.com> wrote:
>>
>>> Andrei:
>>>
>>>> If we all get convinced that named parameters are worth it,
>>>
>>> I think this is not going to happen because some people (two?) don't
>>> want this feature.
>>
>> I think they worth it and it is the right time to talk extensively why
>> people think they don't.
>> And reasoning should not be about its failure or success in another
>> language, we better have our own rules.
>>
>> IMO named arguments in D at least should do:
>>
>> - Reordering (since we got default parameters, even better)
>>
>> - It is enabled only if we have access to the function declaration.
>>
>> - In a function call we either use named arguments for all the
>> non-default arguments or call it with the usual syntax. No hybrid stuff,
>> no confusion.
>
> A different rule can be:
>   - Named arguments come last.
>   - Any previous arguments match the order.

IMO the main that makes NAs confusing is allowing hybrid calls.
I don't think allowing reordering then introducing two new rules on  
ordering is a good idea.