[Python-ideas] Make keywords KEYwords only in places they would have syntactical meaning

[Rhodri James]

On 18/05/18 12:22, Ken Hilton wrote:
> My idea is to only treat keywords as having special meaning when they're in
> the right place. So the following would all be legal:
> 
>      >>> from operator import and
>      >>> var = and(True, False)
>      >>> var
>      False
>      >>> var = True and False
>      >>> var
>      False
>      >>> def except(exc, def):
>      ...     try:
>      ...         return def()
>      ...     except exc as e:
>      ...         return e
>      ...
>      >>> except(ZeroDivisionError, lambda: 1/0)
>      ZeroDivisionError('division by zero',)
>      >>> except(ZeroDivisionError, lambda: 0/1)
>      0.0
>      >>> import asyncio as await #this is already currently legal, but will
> not be in the __future__
>      >>> async def async(def):
>      ...     return await await.get_event_loop().run_in_executor(None, def)
>      ...
>      >>>
> 
> And so on.
> 
> What are your thoughts?

I asked about this earlier, much less clearly, and didn't get a helpful 
answer.  I haven't had the spare time to look at the parser since then 
to see if it's plausible.

Though seriously, your example with "except()" makes me want to recant!

-- 
Rhodri James *-* Kynesim Ltd