[Python-ideas] Python docs: page: In what ways in None special

[Rhodri James]

On 15/08/18 00:09, Chris Barker wrote:
> On Tue, Aug 14, 2018 at 10:45 AM, Rhodri James<rhodri at kynesim.co.uk>  wrote:
> 
>> On 'None is a constant':
>>
>> Erm.  I think you've got carried away with simplifying this and gone down
>> a blind alley.  None is a literal, and like any other literal can't be
>> rebound.
> 
> no, it's not -- None is keyword, and just like any other keyword, it can't
> be re-bound. However, every other keyword I tried to rebind results in a
> generic:

It's both, really.  In many ways it's only a keyword because Python 
doesn't otherwise have a way of creating non-rebindable names.  It's 
purpose is to represent the singular object of NoneType, and in that 
sense it's a literal as much as [] or "".

-- 
Rhodri James *-* Kynesim Ltd