PEP-308 a "simplicity-first" alternative
tismer at tismer.com
Wed Feb 12 02:29:11 CET 2003
holger krekel wrote:
> Andrew Koenig wrote:
>>holger> Inspired by "do the simplest thing that can possibly work" i
>>holger> now think that
>>holger> x and y else z
>>holger> might just do it and avoid the need for a new construct.
>>I thought so too when I first saw it, but now I'm less sure.
>>For example, what is the meaning of
> Damn, you get to the point where i was too lazy to think it out :-)
>> w and x and y else z
> (w and x) and y else z
> should be the meaning.
w and (x and y else z)
>> w and x and y else z else a
> SyntaxError because it would be grouped as
> ((w and x) and y else z) else a
(w and (x and y else z) else a)
>> (x and y) else z
> SyntaxError aka "else requires preceding 'x and y' part".
> Or in Grammar speek:
> and_test: not_test ('and' not_test ['else' not_test])*
I don't have the grammar, yet.
But this one doesn't do what I mean.
Christian Tismer :^) <mailto:tismer at tismer.com>
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