[Python-Dev] New syntax for 'dynamic' attribute access (original) (raw)

"Martin v. Löwis" martin at v.loewis.de
Tue Feb 13 07:46:57 CET 2007

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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