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| Date | Mon, 23 Jul 2012 10:29:33 +1000 |
| Subject | Re: default repr? |
| From | Chris Angelico <rosuav@gmail.com> |
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On Mon, Jul 23, 2012 at 10:24 AM, Steven D'Aprano <steve+comp.lang.python@pearwood.info> wrote: >> Methods are just functions, and you can call any method of any class >> with any object as its first parameter. > > Not quite: they have to be an instance of that class. > >> Though this mightn't work with everything. I wasn't able to paint a list >> as a tuple - "tuple.__repr__([1,2,3])" threw a TypeError. Oh well. >> There's a limit to the ways Python lets you shoot yourself in the foot. > > Of course -- [1,2,3] is not a tuple, so how would tuple know what to do > with it? Hmm. I would have thought that methods were like all other functions: they take their arguments and do code with them. Duck typing and all. I stand corrected, then. In any case, it works fine for methods of object, at least with Python 3 and with new-style classes in Py2. (Other than backward compatibility with old code, is there any reason to use an old-style class?) ChrisA
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Re: default repr? Chris Angelico <rosuav@gmail.com> - 2012-07-23 08:54 +1000
Re: default repr? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-07-23 00:24 +0000
Re: default repr? Chris Angelico <rosuav@gmail.com> - 2012-07-23 10:29 +1000
Re: default repr? Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-07-23 01:40 +0000
Re: default repr? Devin Jeanpierre <jeanpierreda@gmail.com> - 2012-07-22 20:44 -0400
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