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Re: Building CPython

From Marko Rauhamaa <marko@pacujo.net>
Newsgroups comp.lang.python
Subject Re: Building CPython
Date 2015-05-16 16:59 +0300
Organization A noiseless patient Spider
Message-ID <878ucosjwh.fsf@elektro.pacujo.net> (permalink)
References (8 earlier) <DWt5x.439666$qW.359562@fx20.am4> <87twvdsbom.fsf@elektro.pacujo.net> <bpw5x.561870$Zf4.150532@fx22.am4> <87egmhrll2.fsf@elektro.pacujo.net> <555710a8$0$13001$c3e8da3$5496439d@news.astraweb.com>

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Steven D'Aprano <steve+comp.lang.python@pearwood.info>:

> A couple more negatives:
>
> - no such thing as inheritance;

Untrue. My simple Scheme object system (125 lines incl. documentation)
supports multiple inheritance without classes. Maybe I should port that
to Python...

> - "is-a" relationship tests don't work;

From the ducktyping point of view, that is an advantage. The whole
Linnaean categorization of objects is unnecessary ontological chaff. How
many times have people here had to advise newcomers not to inspect type
and instance relations of objects and just call the method?

> - an unfamiliar idiom for most people;

That's impossible to ascertain objectively. Java and JavaScript
programmers (of all people!) routinely deal with closures.


Marko

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Thread

Building CPython BartC <bc@freeuk.com> - 2015-05-13 20:36 +0100
  Re: Building CPython Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-13 20:58 +0100
  Re: Building CPython Terry Reedy <tjreedy@udel.edu> - 2015-05-13 18:34 -0400
    Re: Building CPython BartC <bc@freeuk.com> - 2015-05-14 16:51 +0100
      Re: Building CPython Chris Angelico <rosuav@gmail.com> - 2015-05-15 02:09 +1000
        Re: Building CPython BartC <bc@freeuk.com> - 2015-05-14 18:02 +0100
          Re: Building CPython Dave Angel <davea@davea.name> - 2015-05-14 13:10 -0400
          Re: Building CPython Chris Angelico <rosuav@gmail.com> - 2015-05-15 03:11 +1000
            Re: Building CPython BartC <bc@freeuk.com> - 2015-05-14 18:32 +0100
              Re: Building CPython Chris Angelico <rosuav@gmail.com> - 2015-05-15 03:45 +1000
          Re: Building CPython Terry Reedy <tjreedy@udel.edu> - 2015-05-14 14:50 -0400
            Re: Building CPython Christian Gollwitzer <auriocus@gmx.de> - 2015-05-15 12:51 +0200
              Re: Building CPython Terry Reedy <tjreedy@udel.edu> - 2015-05-15 17:19 -0400
      Re: Building CPython Marko Rauhamaa <marko@pacujo.net> - 2015-05-14 19:29 +0300
        Re: Building CPython BartC <bc@freeuk.com> - 2015-05-14 22:55 +0100
          Re: Building CPython MRAB <python@mrabarnett.plus.com> - 2015-05-14 23:19 +0100
          Re: Building CPython BartC <bc@freeuk.com> - 2015-05-15 01:50 +0100
            Re: Building CPython Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2015-05-15 18:05 +1200
              Re: Building CPython Marko Rauhamaa <marko@pacujo.net> - 2015-05-15 11:59 +0300
                Re: Building CPython wxjmfauth@gmail.com - 2015-05-15 02:07 -0700
                Re: Building CPython Marko Rauhamaa <marko@pacujo.net> - 2015-05-15 12:20 +0300
                Re: Building CPython wxjmfauth@gmail.com - 2015-05-15 02:51 -0700
                Re: Building CPython Marko Rauhamaa <marko@pacujo.net> - 2015-05-15 13:52 +0300
                Re: Building CPython Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-15 22:10 +1000
                Re: Building CPython Chris Angelico <rosuav@gmail.com> - 2015-05-15 22:34 +1000
                Re: Building CPython wxjmfauth@gmail.com - 2015-05-15 07:11 -0700
                Re: Building CPython Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-15 13:41 +0100
                Re: Building CPython Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-15 13:38 +0100
                Re: Building CPython Chris Angelico <rosuav@gmail.com> - 2015-05-15 19:43 +1000
                Re: Building CPython Marko Rauhamaa <marko@pacujo.net> - 2015-05-15 13:50 +0300
                Re: Building CPython Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-15 22:43 +1000
                Re: Building CPython Ian Kelly <ian.g.kelly@gmail.com> - 2015-05-15 09:00 -0600
                Re: Building CPython Ian Kelly <ian.g.kelly@gmail.com> - 2015-05-15 09:04 -0600
                Re: Building CPython Chris Angelico <rosuav@gmail.com> - 2015-05-16 01:06 +1000
                Re: Building CPython Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-15 20:14 +1000
                Re: Building CPython Chris Angelico <rosuav@gmail.com> - 2015-05-15 20:25 +1000
                Re: Building CPython Terry Reedy <tjreedy@udel.edu> - 2015-05-15 17:05 -0400
                Re: Building CPython BartC <bc@freeuk.com> - 2015-05-15 22:54 +0100
                Re: Building CPython Marko Rauhamaa <marko@pacujo.net> - 2015-05-16 01:44 +0300
                Re: Building CPython Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-16 00:27 +0100
                Re: Building CPython Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-16 11:55 +1000
                Re: Building CPython Chris Angelico <rosuav@gmail.com> - 2015-05-16 12:15 +1000
                Re: Building CPython Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-05-16 03:17 +0100
                Re: Building CPython BartC <bc@freeuk.com> - 2015-05-16 01:43 +0100
                Re: Building CPython MRAB <python@mrabarnett.plus.com> - 2015-05-16 02:16 +0100
                Re: Building CPython Marko Rauhamaa <marko@pacujo.net> - 2015-05-16 11:08 +0300
                Re: Building CPython Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-16 19:40 +1000
                Re: Building CPython Marko Rauhamaa <marko@pacujo.net> - 2015-05-16 16:59 +0300
                Re: Building CPython Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-05-17 04:18 +1000
                Re: Building CPython Marko Rauhamaa <marko@pacujo.net> - 2015-05-16 21:55 +0300
                Re: Building CPython Marko Rauhamaa <marko@pacujo.net> - 2015-05-17 01:51 +0300
                Re: Building CPython Marko Rauhamaa <marko@pacujo.net> - 2015-05-17 23:49 +0300
                Re: Building CPython Terry Reedy <tjreedy@udel.edu> - 2015-05-15 19:54 -0400
              Re: Building CPython BartC <bc@freeuk.com> - 2015-05-15 10:32 +0100
                Re: Building CPython Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2015-05-16 12:55 +1200
                Re: Building CPython Jonas Wielicki <jonas@wielicki.name> - 2015-05-17 14:25 +0200
                Re: Building CPython BartC <bc@freeuk.com> - 2015-05-17 14:41 +0100

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