import concerns (was Re: Historical language survey)

Walter Bright newshound at digitalmars.com
Fri Jul 7 21:47:34 PDT 2006


Brad Roberts wrote:
> Walter Bright wrote:
>> Derek Parnell wrote:
>>> On Sat, 08 Jul 2006 06:56:47 +1000, Walter Bright 
>>> <newshound at digitalmars.com> wrote:
>>>
>>>> The alias works at any level you choose to make it. Alias can be 
>>>> used to 'import' any name into the current namespace, making it 
>>>> first class.
>>>
>>> Even names that are declared 'private' in the imported module? Is 
>>> that how you want it to work Walter? If so, why do we bother with 
>>> 'private'? What's the point?
>>
>> In class scope, access control is done *after* name lookup, not 
>> before. I'm concerned about confusion by reversing the order of that 
>> for module scope.
> 
> How much begging would it take to try for a release or two having 
> private symbols invisible to the importer?  It's really much more 
> intuitive, imho.  I haven't looked at this part of the front end code, 
> but if it's easy, feel free to make it controllable via a compiler 
> option just for the experiment's time frame.

The problems happen when one has:

void foo(int x);
private void foo(long x);

So the first foo is found, then overload rules apply, and the second foo 
is selected.



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