wth!! ctfe cannot format floating point at compile time?

[Adam D. Ruppe via Digitalmars-d-learn]

On Monday, 14 August 2017 at 13:11:20 UTC, Steven Schveighoffer 
wrote:
> Another reasonable idea is to have the compiler call the 
> function for you.

Yeah, I was thinking that too. Heck, the compiler prolly uses it 
for reading source and writing errors.

Perhaps just special case hack the function it uses in the ctfe 
engine.