Ref local variables?
Steven Schveighoffer
schveiguy at yahoo.com
Wed Jan 11 13:52:52 PST 2012
On Wed, 11 Jan 2012 15:12:36 -0500, Marco Leise <Marco.Leise at gmx.de> wrote:
> Am 11.01.2012, 14:27 Uhr, schrieb Steven Schveighoffer
> <schveiguy at yahoo.com>:
>
>> On Tue, 10 Jan 2012 20:06:21 -0500, Ben Davis <entheh at cantab.net> wrote:
>>
>>> Hi,
>>>
>>> Please excuse the cross-post with D.learn. People have been helpful
>>> there with workarounds, but I'm bringing it here in the hope that we
>>> can discuss a language enhancement.
>>>
>>> So - could support for 'ref' local variables be added, or is there a
>>> reason not to?
>>
>> This has been requested in the past. In order to convince Walter, it
>> is helpful to examine past failed arguments. Try a search on the
>> newsgroups archive.
>>
>> You also have to show why it's better to do it via the language than
>> via the library. I think Simen's solution in the D.learn thread is
>> pretty compelling.
>>
>> -Steve
>
> Sorry, but it sounds plain masochistic to import a module and then
> instantiate a template every time you want quick access to variable in
> non-trivially indexed array.
I disagree, this doesn't look that bad:
auto tile = refOf(map[y*w+x]);
If you're saying that importing a module to do this is too much, I think
you will have an uphill battle convincing Andrei/Walter.
-Steve
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