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Re: Python vs C++

References (2 earlier) <mailman.13280.1408697414.18130.python-list@python.org> <87fvgoj2i8.fsf@elektro.pacujo.net> <lt85g5$mlq$1@dont-email.me> <87siko9tlq.fsf@elektro.pacujo.net> <53F7B870.2010909@gmail.com>
Date 2014-08-23 07:49 +1000
Subject Re: Python vs C++
From Chris Angelico <rosuav@gmail.com>
Newsgroups comp.lang.python
Message-ID <mailman.13312.1408744179.18130.python-list@python.org> (permalink)

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On Sat, Aug 23, 2014 at 7:38 AM, Michael Torrie <torriem@gmail.com> wrote:
> On 08/22/2014 02:06 PM, Marko Rauhamaa wrote:
>> I tend to think the opposite: C++ barely has a niche left. I definitely
>> wouldn't want to use C++ very far from its (very narrow) sweet spot.
>
> I agree that it's niche is narrowing.  But it's still pretty wide and
> widely used.  Many adobe products are C++, for example.  OpenOffice and
> LibreOffice is C++.  You could argue that's because they are old
> projects and were started in C++. But honestly if you were
> reimplementing OpenOffice today what would you choose?  Python would be
> appropriate for certain aspects of OO, such as parts of the UI, macros,
> filters, etc. ...

Frankly, I wouldn't write OO in anything, because I think the entire
concept of a WYSIWYG editor is flawed. Much better to use markup and
compile it. But if I were to write something like that, probably what
I'd do would be to write a GUI widget in whatever lowish-level
language is appropriate (probably C, with most GUI toolkits), and then
use a high level language (probably Python or Pike) to build the
application. I'm not familiar with all of OO/LO's components, but I
believe that model will probably work for all of them (the document
editor, obviously; the presentation editor might be done a bit
differently, but it'd still work this way; the spreadsheet quite
possibly doesn't even need a custom widget; etc).

>> My disillusionment with C++ came from the language's inability to
>> represent callbacks. C can do it (void *), C# can do it (delegates),
>> Java can do it (anonymous inner classes), Python can do it (methods),
>> Scheme can do it (closures).
>
> C++ can do it quite well, actually.  Maybe not quite as nicely as
> Python.  But boost and libsigc++ both offer nice, type-safe ways to
> implement signals and slots.  You can pass references to a callback
> around in an easy, safe way.

My main issue with callbacks in either C or C++ is that functions
aren't first-class objects. You can pass function pointers around (and
you don't need (void *) to do it, you can use typed function pointers
just fine), but you can't actually construct a function at run-time.

ChrisA

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Thread

Python vs C++ David Palao <dpalao.python@gmail.com> - 2014-08-21 14:54 +0200
  Re: Python vs C++ wxjmfauth@gmail.com - 2014-08-21 07:08 -0700
  Re: Python vs C++ Rustom Mody <rustompmody@gmail.com> - 2014-08-21 07:10 -0700
  Re: Python vs C++ Grant Edwards <invalid@invalid.invalid> - 2014-08-21 14:59 +0000
    Re: Python vs C++ Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2014-08-21 23:12 -0400
  Re: Python vs C++ Christian Gollwitzer <auriocus@gmx.de> - 2014-08-22 10:05 +0200
    Re: Python vs C++ Chris Angelico <rosuav@gmail.com> - 2014-08-22 18:50 +1000
      Re: Python vs C++ Marko Rauhamaa <marko@pacujo.net> - 2014-08-22 12:29 +0300
        Re: Python vs C++ "Neil D. Cerutti" <neilc@norwich.edu> - 2014-08-22 08:51 -0400
        Re: Python vs C++ Skip Montanaro <skip@pobox.com> - 2014-08-22 07:58 -0500
          Re: Python vs C++ Marko Rauhamaa <marko@pacujo.net> - 2014-08-22 20:16 +0300
            Re: Python vs C++ mm0fmf <none@mailinator.com> - 2014-08-23 17:47 +0100
              Re: Python vs C++ Marko Rauhamaa <marko@pacujo.net> - 2014-08-23 19:54 +0300
        Re: Python vs C++ Chris Angelico <rosuav@gmail.com> - 2014-08-22 23:00 +1000
        Re: Python vs C++ Christian Gollwitzer <auriocus@gmx.de> - 2014-08-22 21:25 +0200
          Re: Python vs C++ Stefan Behnel <stefan_ml@behnel.de> - 2014-08-22 21:58 +0200
          Re: Python vs C++ Marko Rauhamaa <marko@pacujo.net> - 2014-08-22 23:06 +0300
            Re: Python vs C++ Michael Torrie <torriem@gmail.com> - 2014-08-22 15:38 -0600
              Re: Python vs C++ wxjmfauth@gmail.com - 2014-08-23 03:00 -0700
            Re: Python vs C++ Chris Angelico <rosuav@gmail.com> - 2014-08-23 07:49 +1000
              Re: Python vs C++ Rustom Mody <rustompmody@gmail.com> - 2014-08-23 05:38 -0700
                Re: Python vs C++ Chris Angelico <rosuav@gmail.com> - 2014-08-23 23:00 +1000
                Re: Python vs C++ Ian Kelly <ian.g.kelly@gmail.com> - 2014-08-23 08:02 -0600
                Re: Python vs C++ Rustom Mody <rustompmody@gmail.com> - 2014-08-23 07:21 -0700
                Re: Python vs C++ Terry Reedy <tjreedy@udel.edu> - 2014-08-23 16:51 -0400
                Re: Python vs C++ Chris Angelico <rosuav@gmail.com> - 2014-08-24 00:21 +1000
                Re: Python vs C++ Terry Reedy <tjreedy@udel.edu> - 2014-08-23 15:09 -0400
                Re: Python vs C++ Joseph Martinot-Lagarde <joseph.martinot-lagarde@m4x.org> - 2014-08-24 14:54 +0200
                Re: Python vs C++ "Neil D. Cerutti" <neilc@norwich.edu> - 2014-08-25 09:01 -0400
            Re: Python vs C++ Michael Torrie <torriem@gmail.com> - 2014-08-22 15:56 -0600
            Re: Python vs C++ Chris Angelico <rosuav@gmail.com> - 2014-08-23 08:00 +1000
              Re: Python vs C++ Marko Rauhamaa <marko@pacujo.net> - 2014-08-23 10:27 +0300
            Re: Python vs C++ dieter <dieter@handshake.de> - 2014-08-23 07:56 +0200
            Re: Python vs C++ Chris Angelico <rosuav@gmail.com> - 2014-08-23 16:11 +1000
              Re: Python vs C++ Paul Rudin <paul.nospam@rudin.co.uk> - 2014-08-23 08:36 +0100
                Re: Python vs C++ Chris Angelico <rosuav@gmail.com> - 2014-08-23 18:04 +1000
          Re: Python vs C++ dieter <dieter@handshake.de> - 2014-08-23 07:48 +0200

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