Numeric supports base 8, 10, 16 but not 2 -- why?

Andrew Martin andrew.thaddeus at gmail.com
Tue Dec 8 01:17:34 UTC 2020


I need binary encode/decode about once every six months, and I too find it
annoying that these are missing. +1 from me.

On Sun, Dec 6, 2020 at 3:09 PM Tikhon Jelvis <tikhon at jelv.is> wrote:

> Absolutely agree on this. I've needed to render a number in binary a
> couple of times, and each time I had to stop and think about how to use
> showIntAtBase. It's not hard per se, but it is really fiddly. The
> expression I end up using is hard to understand at a glance and uses a
> scary-looking (but safe-ish) partial function:
>
>     showIntAtBase 2 ("01" !!) x ""
>
> A dedicated function is a clear improvement, although the ShowS bit is
> still unnecessarily fiddly for use outside implementing Show instances:
>
>   showBinary x ""
>
> To be honest, I really don't like the Numeric module at all. I use hex a
> bit more often than binary, but I just do it with printf. I was going to
> suggest adding %b to printf alongside this change, but it looks like
> Text.Printf already supports it! So while I think adding showBinary
> absolutely makes sense, I'll probably just use printf myself going forwards.
>
> On Sun, Dec 6, 2020 at 11:06 AM Henning Thielemann <
> lemming at henning-thielemann.de> wrote:
>
>>
>> On Sun, 6 Dec 2020, Emily Pillmore wrote:
>>
>> > +1
>> >
>> > On Sun, Dec 06, 2020 at 1:10 PM, chessai <chessai1996 at gmail.com> wrote:
>> >       +1
>> >
>> > On Sun, Dec 6, 2020, 12:07 Oleg Grenrus <oleg.grenrus at iki.fi> wrote:
>> >
>> >       +1
>>
>>
>> Base 2 +1 +1 +1 = Base 5 - Is this, what we want?
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-- 
-Andrew Thaddeus Martin
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