std.complex

[Lars T. Kyllingstad]

On Tuesday, 19 November 2013 at 01:44:32 UTC, Craig Dillabaugh 
wrote:
> The complex type in std.complex restricts the real/imaginary
> parts of the number to be float/double/real.  I am curious to
> know if there is a reason why integral types are not permitted. 
> I
> checked the C++ equivalent and it does not have the same
> requirement.

Quoting the C++ standard, §26.4:

"The effect of instantiating the template complex for any type 
other than float, double, or long double is unspecified."

So even if some implementations support it, it is *not* standard 
C++.

Lars