Re: New library num-base-converters

[Tino Calancha]

On Tue, 15 Aug 2017, Stefan Monnier wrote:

> > +(defun nbc-number-base-converter (num base-in base-out)
> > +  "Translate NUM, a string representing an integer, to a different base.
> > +BASE-IN, an integer, is the basis of the input NUM.
> > +BASE-OUT, an integer, is the basis to display NUM."
>
> Having a string as both input and output is a bad API, I think.
It's better API than not having API at all; it provides me the flexibility
to handle input as '0xff', '#xff' or 'ff'.  Not that bad.

> All one needs is basically to add a `base` arg to number-to-string
> (there's already one for string-to-number).
Then we are again limited to 2 < b < 16 bases.  In the old thread
the OP asking for this feature wanted to use base 36.
The presented lib can handle 2 <= b <= 36.