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Re: Method Chaining

From Michael Selik <michael.selik@gmail.com>
Newsgroups comp.lang.python
Subject Re: Method Chaining
Date 2016-06-17 23:10 +0000
Message-ID <mailman.106.1466205022.2288.python-list@python.org> (permalink)
References (6 earlier) <CAGgTfkOUK_cEYULxa9emH_3FECvPCc8M8wi-ZiQURwLSHsdXhg@mail.gmail.com> <mailman.102.1466170491.2288.python-list@python.org> <bbb0309b-c01f-4d67-8e5f-56433ac91411@googlegroups.com> <CAGgTfkMc+nBtvizBQjF7X9==mekDs9GN8hmLPXZHb70SRqJ0-Q@mail.gmail.com> <CAGgTfkPS-1KxqtOUF5D53bC8QoqnYzCVkAS6tpK9LAqYZ86=sA@mail.gmail.com>

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On Fri, Jun 17, 2016, 6:44 PM Michael Selik <michael.selik@gmail.com> wrote:

>
>
> On Fri, Jun 17, 2016, 6:42 PM Lawrence D’Oliveiro <lawrencedo99@gmail.com>
> wrote:
>
>> On Saturday, June 18, 2016 at 1:35:06 AM UTC+12, Michael Selik wrote:
>>
>> > The chained version looks like each method is returning a modified
>> > copy.
>>
>> As opposed to a modified original?
>>
>
> Correct. Read the rationale for list.sort returning None. It's in the
> Python design FAQ.
>

Sorry, I should have included the link.

https://docs.python.org/2/faq/design.html#why-doesn-t-list-sort-return-the-sorted-list

Even if we're talking about a non-mutation side-effect, I think the same
rationale applies.

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Thread

Method Chaining Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-06-16 19:02 -0700
  Re: Method Chaining Steven D'Aprano <steve@pearwood.info> - 2016-06-17 12:39 +1000
  Re: Method Chaining Michael Selik <michael.selik@gmail.com> - 2016-06-17 04:23 +0000
    Re: Method Chaining Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-06-16 21:37 -0700
      Re: Method Chaining Ned Batchelder <ned@nedbatchelder.com> - 2016-06-17 01:13 -0700
        Re: Method Chaining Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-06-17 01:38 -0700
          Re: Method Chaining Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-06-17 11:45 +0300
        Re: Method Chaining Steven D'Aprano <steve@pearwood.info> - 2016-06-17 19:28 +1000
          Re: Method Chaining Michael Selik <michael.selik@gmail.com> - 2016-06-17 13:34 +0000
            Re: Method Chaining Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-06-17 15:26 -0700
              Re: Method Chaining Michael Selik <michael.selik@gmail.com> - 2016-06-17 22:45 +0000
              Re: Method Chaining Michael Selik <michael.selik@gmail.com> - 2016-06-17 23:10 +0000
          Re: Method Chaining Rustom Mody <rustompmody@gmail.com> - 2016-06-17 09:48 -0700
            Re: Method Chaining Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-06-17 15:25 -0700
            Re: Method Chaining Pete Forman <petef4+usenet@gmail.com> - 2016-06-18 13:04 +0100
              Re: Method Chaining Joonas Liik <liik.joonas@gmail.com> - 2016-06-18 17:05 +0300
                Re: Method Chaining Pete Forman <petef4+usenet@gmail.com> - 2016-06-18 16:42 +0100
              Re: Method Chaining Rustom Mody <rustompmody@gmail.com> - 2016-06-18 08:35 -0700
                Re: Method Chaining Pete Forman <petef4+usenet@gmail.com> - 2016-06-19 11:16 +0100
              Re: Method Chaining Ethan Furman <ethan@stoneleaf.us> - 2016-06-18 13:47 -0700
              Re: Method Chaining Joonas Liik <liik.joonas@gmail.com> - 2016-06-19 14:56 +0300
              Re: Method Chaining Ethan Furman <ethan@stoneleaf.us> - 2016-06-19 08:01 -0700
              Re: Method Chaining Michael Torrie <torriem@gmail.com> - 2016-06-19 09:14 -0600
              Re: Method Chaining Ethan Furman <ethan@stoneleaf.us> - 2016-06-19 08:56 -0700
                Re: Method Chaining Rustom Mody <rustompmody@gmail.com> - 2016-06-19 09:03 -0700
        Re: Method Chaining Lawrence D’Oliveiro <lawrencedo99@gmail.com> - 2016-06-17 15:22 -0700
          Re: Method Chaining Ned Batchelder <ned@nedbatchelder.com> - 2016-06-17 17:02 -0700

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