accept @pure @nothrow @return attributes
Jonathan Marler via Digitalmars-d
digitalmars-d at puremagic.com
Mon Jan 26 15:32:58 PST 2015
On Monday, 26 January 2015 at 22:04:48 UTC, Zach the Mystic wrote:
> On Monday, 26 January 2015 at 21:37:43 UTC, Jonathan Marler
> wrote:
>>> I think the short answer is that it's WAY too complicated for
>>> the benefit. Also, why burden the syntax highlighter, let
>>> alone the human reader, with ambiguities like this?
>>
>> I wasn't saying that we should introduce ambiguity, I was
>> saying we should be careful not to introduce ambiguity. I
>> wrote that to indicate that I wasn't sure if the solution
>> would introduce ambiguity or not. Zach suggested a solution
>> that I'm
>
> I think you meant someone else!
>
>> fairly certain would be unambiguous (it's nice to have c++
>> people who've already seen the same problem know of a
>> solution). By restricting the attributes to only appear after
>> a function signature, it would also normalize the issue of
>> consistent location of attributes, but this is another debate.
>> However, allowing the attributes to appear before the
>> function signature *might* work, but that would require much
>> more care and may not even be possible (like I said, I'm not
>> sure).
>
> I don't think it is possible. Any non-keyword identifier is
> assumed to be the return type of the function. It all has to be
> solved in the parsing phase. You can't wait till semantic
> analysis to figure out what's a return type and what's an
> attribute. This is why D compiles so fast, because all phases
> of compilation are distinct.
Copy/Paste:
>> solution). By restricting the attributes to only appear after
>> a function signature, it would also normalize the issue of
>> consistent location of attributes, but this is another debate.
The return type doesn't appear after the function signature.
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