UCFS does not work for nested functions?
Steven Schveighoffer
schveiguy at yahoo.com
Mon Jun 18 14:19:30 UTC 2018
On 6/18/18 7:16 AM, Bastiaan Veelo wrote:
> On Sunday, 18 May 2014 at 08:15:08 UTC, Steffen Wenz wrote:
>> Hi,
>>
>> Just noticed that using UFCS does not work for nested functions, and
>> was wondering whether that's intended, and what the rationale behind
>> it is:
>
> I just had the same question.
>
> I can imagine that the context pointer of nested functions complicates
> things, but making `bar` `static` does not help. Has anything changed in
> recent years regarding the difficulty of implementing UFCS for nested
> functions? Would it be easier to only support static nested functions?
>
> ```
> void main() {
> static void bar(int x) {}
>
> int x;
> x.bar(); // Error: no property 'bar' for type 'int'
> }
> ```
It's never been supported, and likely will not be. I think the idea is
that you can override expected behavior inside by accidentally defining
some function locally with the same name.
-Steve
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