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Groups > comp.lang.python > #104648

Re: hasattr() or "x in y"?

From "Charles T. Smith" <cts.private.yahoo@gmail.com>
Newsgroups comp.lang.python
Subject Re: hasattr() or "x in y"?
Date 2016-03-11 21:53 +0000
Organization A noiseless patient Spider
Message-ID <nbvep7$pb3$1@dont-email.me> (permalink)
References <nbve7c$nbo$1@dont-email.me>

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On Fri, 11 Mar 2016 21:44:27 +0000, Charles T. Smith wrote:

> From the performance point of view, which is better: - hasattr()
> - x in y
> 
> TIA
> cts


I just realized that "in" won't look back through the class hierarchy...
that clearly makes them not interchangable, but given we're only
interested in the current dict...

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Thread

hasattr() or "x in y"? "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-03-11 21:44 +0000
  Re: hasattr() or "x in y"? Chris Angelico <rosuav@gmail.com> - 2016-03-12 08:55 +1100
  Re: hasattr() or "x in y"? "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-03-11 21:53 +0000
    Re: hasattr() or "x in y"? Chris Angelico <rosuav@gmail.com> - 2016-03-12 09:04 +1100
    Re: hasattr() or "x in y"? Mark Lawrence <breamoreboy@yahoo.co.uk> - 2016-03-11 22:05 +0000
  Re: hasattr() or "x in y"? Grant Edwards <invalid@invalid.invalid> - 2016-03-11 22:00 +0000
    Re: hasattr() or "x in y"? "Charles T. Smith" <cts.private.yahoo@gmail.com> - 2016-03-11 22:18 +0000
      Re: hasattr() or "x in y"? Grant Edwards <invalid@invalid.invalid> - 2016-03-11 22:30 +0000

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