Complex numbers are harder to use than in C

[Marduk via Digitalmars-d-learn]

On Saturday, 19 November 2016 at 12:55:57 UTC, Marc Schütz wrote:
> On Saturday, 19 November 2016 at 11:11:36 UTC, Nordlöw wrote:
>> On Saturday, 19 November 2016 at 09:38:38 UTC, Marduk wrote:
>>> The difference is that D is more verbose. Am I missing 
>>> something? Can we have C's behaviour in D?
>>
>> Something like
>>
>> auto I(T)(T im)
>>     if (isNumeric!T)
>> {
>>     return complex(0, im);
>> }
>>
>> unittest
>> {
>>     auto x = 1 + 2.I;
>> }
>
> Or simply:
>
> enum I = complex(0, 1);
> auto x = 1 + 2*I;

Thanks! That's a clever idea.

What I do not understand is why if I declare the array with 
Complex!double I need to complexify each entry. I would expect 
that D automatically casts 0.0 to complex(0.0).