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Tue Feb 13 07:46:57 CET 2007 · https://mail.python.org/pipermail/python-dev/2007-February/071022.html

Ron Adam schrieb:
> I think it's gets a bit awkward in some situations.
> 
> 
>     if bar->'__%s__' % attr < -42: print 'Hello World'
> 
>     if bar.['__%s__' % attr] > -42: print 'Hello World'
> 
> 
> To me it's easier to parse the second one visually.

Ah, precedence.

It definitly should be a bracketed form, or else people
always wonder what the precedence is, and add parenthesis
anyway just to be on the safe side.

BTW, which of these would be correct

  (a).[b]
  (a.)[b]
  a.[(b)]
  a.([b])
  a   .  [  b  ]

and what is the semantics of

  a.[42]

Regards,
Martin

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[Python-Dev] New syntax for 'dynamic' attribute access