Re: The way to read STL source code

From	Stanley Rice <heconghui@gmail.com>
Newsgroups	comp.lang.c++
Subject	Re: The way to read STL source code
Date	2012-02-17 17:08 -0800
Organization	http://groups.google.com
Message-ID	<12732426.20.1329527297064.JavaMail.geo-discussion-forums@pbie8> (permalink)
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On Friday, February 17, 2012 9:15:55 PM UTC+8, Nick Keighley wrote:
> On Feb 17, 11:57 am, Goran <goran.pu...@gmail.com> wrote:
> > On Feb 17, 10:12 am, Nick Keighley <nick_keighley_nos...@hotmail.com>
> > > On Feb 17, 7:36 am, Goran <goran.pu...@gmail.com> wrote:
> > > > On Feb 17, 8:18 am, Stanley Rice <hecong...@gmail.com> wrote:
> 
> 
> > > > > I am familiar with using STL, including the algorithm and the
> > > > > containers, however, how they are implemented. Some of my friends
> > > > > recommend me to read the source code of STL directly.
> >
> > > > Reading is too dry.
> >
> > > nonsense!
> 
> I misunderstood here. Since I think reading the STL code is so
> obviously mad I assumed you were saying "reading a book was too dry".
> But I see not. If I want to know what the STL does I read Jossutis. or
> use an online source.
> 
> > > > Try debugging through it.
> >
> > > yuck!
> >
> > > > Start with the simplest
> > > > of things, like for_each, vector::push_back, list::push_front. Just
> > > > make simplest of programs, e.g.
> >
> > > > int main()
> > > > {
> > > >   std::vector<char> v;
> > > >   v.push_back('a');
> >
> > > > }
> >
> > > > and go through with the debugger.
> >
> > > > In the beginning, it will be difficult, because you will need to learn
> > > > to see through the cruft that's inside. Typically, you'll see a lot of
> > > > code whose sole purpose is to aid debugging. You'll need to learn to
> > > > ignore that. You will also see bizarre variable naming. Live with it.
> > > > Variable naming in STL is subject to different considerations than
> > > > your or mine code ;-).
> >
> > > or you could try poking your own eyes out
> 
> it just seems a lot of pain ...cruft...bizzare variable naming... for
> very little gain.
> 
> > I find that watching code unroll in the debugger is a great way of
> > learning what code does.
> 
> I'm less enthusiastic. Very unenthusiastic in fact. And it doesn't
> help you learn what the STL /should/ be doing. Without reading some
> sort of documentation I don't see how you'd even know certain features
> existed.
> 
> > Even more so when it's about usual STL
> > implementations code.
> 
> even less is my thought. The STL is particularly ugly lookign code.
> Why do you care how it's implemented? Do you single shot through the C
> libraries? You probably do I suppose...
Another reason that I want to read the source code is that I want to improve my understanding of data structure and algorithm in the same time. STL covers nearly all the basic data structure and algorithms.
> 
> > I don't get your excitement.
> 
> what excitement?
> 
> > It's not very elaborate either ;-).
> 
> the STL? It's pretty subtle.

Thread

The way to read STL source code Stanley Rice <heconghui@gmail.com> - 2012-02-16 23:18 -0800
  Re: The way to read STL source code Juha Nieminen <nospam@thanks.invalid> - 2012-02-17 07:29 +0000
    Re: The way to read STL source code Stanley Rice <heconghui@gmail.com> - 2012-02-17 00:56 -0800
      Re: The way to read STL source code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-17 01:11 -0800
      Re: The way to read STL source code Juha Nieminen <nospam@thanks.invalid> - 2012-02-17 12:31 +0000
        Re: The way to read STL source code Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-02-17 16:35 +0000
          Re: The way to read STL source code Juha Nieminen <nospam@thanks.invalid> - 2012-02-17 20:38 +0000
            Re: The way to read STL source code Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-02-21 21:17 +0000
        Re: The way to read STL source code Stanley Rice <heconghui@gmail.com> - 2012-02-17 16:55 -0800
          Re: The way to read STL source code Ian Collins <ian-news@hotmail.com> - 2012-02-18 14:13 +1300
          Re: Learning to code by reading code (was: The way to read STL source code) "Rod Pemberton" <do_not_have@noavailemail.cmm> - 2012-02-18 19:00 -0500
            Re: Learning to code by reading code "MikeWhy" <boat042-nospam@yahoo.com> - 2012-02-18 22:34 -0600
            Re: Learning to code by reading code "Rod Pemberton" <do_not_have@noavailemail.cmm> - 2012-02-19 03:54 -0500
              Re: Learning to code by reading code "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> - 2012-02-19 10:42 +0100
              Re: Learning to code by reading code "Rod Pemberton" <do_not_have@noavailemail.cmm> - 2012-02-20 03:39 -0500
            Re: Learning to code by reading code "Rod Pemberton" <do_not_have@noavailemail.cmm> - 2012-02-19 03:54 -0500
              Re: Learning to code by reading code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-19 08:40 -0800
                Re: Learning to code by reading code "MikeWhy" <boat042-nospam@yahoo.com> - 2012-02-19 13:17 -0600
                Re: Learning to code by reading code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-20 02:32 -0800
                Re: Learning to code by reading code "io_x" <a@b.c.invalid> - 2012-02-20 13:02 +0100
                Re: Learning to code by reading code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-20 05:09 -0800
                Re: Learning to code by reading code "io_x" <a@b.c.invalid> - 2012-02-20 15:11 +0100
                Re: Learning to code by reading code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-20 07:39 -0800
                Re: Learning to code by reading code "Rod Pemberton" <do_not_have@noavailemail.cmm> - 2012-02-20 04:14 -0500
                Re: Learning to code by reading code "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> - 2012-02-20 11:14 +0100
                Re: Learning to code by reading code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-20 02:49 -0800
                Re: Learning to code by reading code "io_x" <a@b.c.invalid> - 2012-02-20 13:02 +0100
                Re: Learning to code by reading code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-20 05:18 -0800
                Re: Learning to code by reading code "BartC" <bc@freeuk.com> - 2012-02-20 13:53 +0000
                Re: Learning to code by reading code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-21 01:32 -0800
                Re: Learning to code by reading code "io_x" <a@b.c.invalid> - 2012-02-21 16:16 +0100
                Re: Learning to code by reading code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-21 08:40 -0800
                Re: Learning to code by reading code "Rod Pemberton" <do_not_have@noavailemail.cmm> - 2012-02-20 17:36 -0500
                Re: Learning to code by reading code Mike McCarty <mcmccarty@gmail.com> - 2012-02-20 15:27 -0800
                Re: Learning to code by reading code Dombo <dombo@disposable.invalid> - 2012-02-21 00:45 +0100
                Re: Learning to code by reading code "Rod Pemberton" <do_not_have@noavailemail.cmm> - 2012-02-21 04:35 -0500
                Re: Learning to code by reading code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-21 08:48 -0800
                Re: Learning to code by reading code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-22 00:12 -0800
                Re: Learning to code by reading code "Rod Pemberton" <do_not_have@noavailemail.cmm> - 2012-02-22 06:12 -0500
                Re: Learning to code by reading code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-22 04:30 -0800
                Re: Learning to code by reading code Geoff <geoff@invalid.invalid> - 2012-02-22 10:45 -0800
                Re: Learning to code by reading code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-23 01:12 -0800
                Re: Learning to code by reading code "Rod Pemberton" <do_not_have@noavailemail.cmm> - 2012-02-23 07:34 -0500
                Re: Learning to code by reading code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-23 05:46 -0800
                Re: Learning to code by reading code "io_x" <a@b.c.invalid> - 2012-02-24 08:38 +0100
                Re: Learning to code by reading code "io_x" <a@b.c.invalid> - 2012-02-24 08:40 +0100
                Re: Learning to code by reading code "io_x" <a@b.c.invalid> - 2012-02-24 09:38 +0100
                Re: Learning to code by reading code "Rod Pemberton" <do_not_have@noavailemail.cmm> - 2012-02-25 05:25 -0500
                Re: Learning to code by reading code Dombo <dombo@disposable.invalid> - 2012-02-25 12:50 +0100
                Re: Learning to code by reading code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-25 06:13 -0800
                Re: Learning to code by reading code Gareth Owen <gwowen@gmail.com> - 2012-02-26 07:20 +0000
                Re: Learning to code by reading code Juha Nieminen <nospam@thanks.invalid> - 2012-02-21 08:23 +0000
                Re: Learning to code by reading code Juha Nieminen <nospam@thanks.invalid> - 2012-02-21 08:43 +0000
                Re: Learning to code by reading code "Rod Pemberton" <do_not_have@noavailemail.cmm> - 2012-02-21 04:47 -0500
                Re: Learning to code by reading code Juha Nieminen <nospam@thanks.invalid> - 2012-02-21 10:09 +0000
                Re: Learning to code by reading code "Rod Pemberton" <do_not_have@noavailemail.cmm> - 2012-02-22 05:38 -0500
                Re: Learning to code by reading code "Rod Pemberton" <do_not_have@noavailemail.cmm> - 2012-02-21 04:31 -0500
                Re: Learning to code by reading code Juha Nieminen <nospam@thanks.invalid> - 2012-02-21 10:05 +0000
                Re: Learning to code by reading code "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> - 2012-02-21 12:21 +0100
                Re: Learning to code by reading code "Rod Pemberton" <do_not_have@noavailemail.cmm> - 2012-02-22 06:04 -0500
                Re: Learning to code by reading code "BartC" <bc@freeuk.com> - 2012-02-21 11:01 +0000
                Re: Learning to code by reading code "Rod Pemberton" <do_not_have@noavailemail.cmm> - 2012-02-22 05:59 -0500
                Re: Learning to code by reading code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-21 01:27 -0800
                Re: Learning to code by reading code Peter Remmers <p.remmers@expires-2011-04-30.arcornews.de> - 2012-02-20 22:25 +0100
                Re: Learning to code by reading code Jorgen Grahn <grahn+nntp@snipabacken.se> - 2012-02-26 08:47 +0000
                Re: Learning to code by reading code "BartC" <bc@freeuk.com> - 2012-02-26 10:55 +0000
                Re: Learning to code by reading code Nomen Nescio <nobody@dizum.com> - 2012-02-22 08:59 +0100
                Re: Learning to code by reading code "Rod Pemberton" <do_not_have@noavailemail.cmm> - 2012-02-22 05:59 -0500
                Re: Learning to code by reading code Nomen Nescio <nobody@dizum.com> - 2012-02-22 13:47 +0100
                Re: Learning to code by reading code "Rod Pemberton" <do_not_have@noavailemail.cmm> - 2012-02-23 06:21 -0500
                Re: Learning to code by reading code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-22 00:08 -0800
            Re: Learning to code by reading code "Rod Pemberton" <do_not_have@noavailemail.cmm> - 2012-02-19 03:54 -0500
              Re: Learning to code by reading code Stanley Rice <heconghui@gmail.com> - 2012-02-19 05:24 -0800
            Re: Learning to code by reading code Marco van de Voort <marcov@toad.stack.nl> - 2012-02-19 11:27 +0000
          Re: Learning to code by reading code (was: The way to read STL source code) Ebenezer <woodbrian77@gmail.com> - 2012-02-18 20:02 -0800
            Re: Learning to code by reading code (was: The way to read STL source code) 88888 Dihedral <dihedral88888@googlemail.com> - 2012-02-18 21:51 -0800
            Re: Learning to code by reading code (was: The way to read STL source code) "Bo Persson" <bop@gmb.dk> - 2012-02-19 16:10 +0100
          Re: The way to read STL source code Mark Elston <m.elston@advantest-ard.com> - 2012-02-21 16:40 -0800
    Re: The way to read STL source code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-17 01:06 -0800
  Re: The way to read STL source code Goran <goran.pusic@gmail.com> - 2012-02-16 23:36 -0800
    Re: The way to read STL source code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-17 01:12 -0800
      Re: The way to read STL source code Goran <goran.pusic@gmail.com> - 2012-02-17 03:57 -0800
        Re: The way to read STL source code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-17 05:15 -0800
          Re: The way to read STL source code Goran <goran.pusic@gmail.com> - 2012-02-17 06:02 -0800
          Re: The way to read STL source code Stanley Rice <heconghui@gmail.com> - 2012-02-17 17:08 -0800
            Re: The way to read STL source code Dombo <dombo@disposable.invalid> - 2012-02-19 16:52 +0100
  Re: The way to read STL source code Krice <paulkp@mbnet.fi> - 2012-02-24 00:38 -0800
  Re: The way to read STL source code 88888 Dihedral <dihedral88888@googlemail.com> - 2012-02-25 10:46 -0800
    Re: The way to read STL source code 88888 Dihedral <dihedral88888@googlemail.com> - 2012-02-26 14:57 -0800
    Re: The way to read STL source code Nick Keighley <nick_keighley_nospam@hotmail.com> - 2012-02-27 03:02 -0800

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