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| From | Andriy Kornatskyy <andriy.kornatskyy@live.com> |
| To | <ramit.prasad@jpmorgan.com>, "python-list@python.org" <python-list@python.org> |
| Subject | RE: duck typing assert |
| Date | Fri, 9 Nov 2012 20:55:03 +0300 |
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duck(Foo).match(IFoo, <kwargs>) duck(Foo).like(IFoo, <kwargs>) Hm... function name in most cases is read as verb... this may cause confusion: duck => synonyms => immerse, dip Thanks. Andriy Kornatskyy ---------------------------------------- > From: ramit.prasad@jpmorgan.com > To: andriy.kornatskyy@live.com; python-list@python.org > Subject: RE: duck typing assert > Date: Fri, 9 Nov 2012 17:37:29 +0000 > > Andriy Kornatskyy wrote: > > > > Thank you for all comments. > > > > > It makes very good sense to say: > > > > > > duckmatch(IFoo).compare(Foo) > > > > Since we do duck match of IFoo... but there is no `duck match`, there is `duck test`. I believe instead of > > `compare` is more readable with `equals`. Than it is more from mathematics - precise answer... that you can not > > guarantee at all in dynamic programming language. So it false to use such wording to reflect this check. We can > > only make an assumption that one looks like the other (similar)... with some limitation of cause... > > understanding what is `duck test`. > > > > http://en.wikipedia.org/wiki/Duck_test > > > > The intent is to make such language `construct` so it reads as English sentence that make sense, and not > > mandatory `pythonic` way (readability counts, java smokes aside). > > > > is_similar(Foo).to(IFoo) # <= but we lost `duck test` sense here? > > > > Words `looks` and `like` are coming from duck test and point also direction: > > > > # 1 > > looks(Foo).like(IFoo, notice=['__len__'], ignore_funcs=['foo'], ignore_argspec['bar']) > > > > English sentence equivalent: if functions in Foo looks like one in IFoo than, probably, IFoo can be replaced > > with Foo; notice to check __len__, it is safe to ignore function `foo` and arguments passed to `bar`. > > > > # 2 > > looks(Foo, notice=['__len__'], ignore_funcs=['foo'], ignore_argspec['bar']).like(IFoo) > > > > English sentence equivalent: while looking at Foo notice to check `__len__`, it is safe to ignore function `foo` > > and arguments passed to `bar`, than probably it like IFoo. > > What about? > > duck(Foo).equivalent_to(IFoo, <kwargs>) > duck(Foo).matches(IFoo, <kwargs>) > > This email is confidential and subject to important disclaimers and > conditions including on offers for the purchase or sale of > securities, accuracy and completeness of information, viruses, > confidentiality, legal privilege, and legal entity disclaimers, > available at http://www.jpmorgan.com/pages/disclosures/email.
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duck typing assert Andriy Kornatskyy <andriy.kornatskyy@live.com> - 2012-11-08 20:34 +0300
Re: duck typing assert Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-11-08 23:33 +0000
Re: duck typing assert Ian Kelly <ian.g.kelly@gmail.com> - 2012-11-08 18:00 -0700
Re: duck typing assert Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-11-09 13:36 +0000
RE: duck typing assert Andriy Kornatskyy <andriy.kornatskyy@live.com> - 2012-11-09 17:01 +0300
Re: duck typing assert Chris Angelico <rosuav@gmail.com> - 2012-11-10 01:15 +1100
RE: duck typing assert Andriy Kornatskyy <andriy.kornatskyy@live.com> - 2012-11-09 17:37 +0300
Re: duck typing assert Chris Angelico <rosuav@gmail.com> - 2012-11-09 17:14 +1100
RE: duck typing assert Andriy Kornatskyy <andriy.kornatskyy@live.com> - 2012-11-09 13:26 +0300
RE: duck typing assert "Prasad, Ramit" <ramit.prasad@jpmorgan.com> - 2012-11-09 17:37 +0000
RE: duck typing assert Andriy Kornatskyy <andriy.kornatskyy@live.com> - 2012-11-09 20:55 +0300
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