Why isn't intended class constructor called?

[Zak]

On Monday, 28 January 2019 at 19:15:04 UTC, Zak wrote:
> On Monday, 28 January 2019 at 18:50:18 UTC, Alex wrote:
>> On Monday, 28 January 2019 at 18:34:44 UTC, Zak wrote:
>>> [...]
>>
>> As the error states:
>> you are trying to append an int to a string array in the 
>> single parameter constructor.
>>
>> [...]
>
> Thanks for the response, Alex!  But it's not clear to me why 
> the first constructor is called at all.  Since I called with 
> two parameters, shouldn't it invoke the second constructor?

I think I just realized the answer:  this section of code is not 
called, it just fails compilation since it's not known that 
runtime doesn't do something like:

auto myc = new MyClass!(int, string)([1,2,-3]);

which "would" invoke this code block with type string.