Re: Pure Factory Functions 💔 `inout`

[ag0aep6g]

On 21.02.23 15:31, ag0aep6g wrote:
> On 21.02.23 14:58, Quirin Schroll wrote:
>> ```d
>> @safe:
>>
>> int* foo(double[] xs) pure
>> {
>>      if (xs.length >= 2)
>>          xs[0] = xs[$ - 1];
>>      return new int;
>> }
>>
>> void main()
>> {
>>      double[] xs = [];
>>      immutable a = foo(xs);
>> }
>> ```
> 
> That right there is nothing but a safety hole.

I did some digging and found `-preview=fixImmutableConv`. With that, the 
code fails compilation as it should. So this is a known issue and it's 
already in the process of getting fixed.