toChars Bug?

[John Colvin]

On Tuesday, 12 December 2017 at 12:49:32 UTC, ketmar wrote:
> see documentation: 
> http://dpldocs.info/experimental-docs/std.conv.toChars.html
>
> "...Can be uint or ulong. If radix is 10, can also be int or 
> long."
>
> 45 is int, not uint. so no radices except `10` will work.

I think it would be possible to alter toChars such that it had a 
set of overloads, such that value range propagation would allow 
an implicit conversion here.