Phobos colour module?

[Andrei Alexandrescu via Digitalmars-d]

On 1/6/15 6:28 AM, Manu via Digitalmars-d wrote:
> I can't create look-up-tables at the moment, since '^^' doesn't work
> in CTFE! >_<

Assuming the exponent is integral, could you write a naive pow() 
function that works in ctfe? -- Andrei