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Re: What is visitor pattern?

From Muttley@dastardlyhq.com
Newsgroups comp.lang.c++
Subject Re: What is visitor pattern?
Date 2023-08-26 15:15 +0000
Organization A noiseless patient Spider
Message-ID <ucd4ug$khfd$1@dont-email.me> (permalink)
References (12 earlier) <ucc9bg$g167$1@dont-email.me> <uccbgu$gd6k$1@dont-email.me> <uccglr$h6lp$1@dont-email.me> <ucd42s$kc9j$1@dont-email.me> <ucd4gs$ke1h$1@dont-email.me>

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On Sat, 26 Aug 2023 17:08:15 +0200
Bonita Montero <Bonita.Montero@gmail.com> wrote:
>Am 26.08.2023 um 17:00 schrieb Muttley@dastardlyhq.com:
>
>> People who say you can have functional programming in C++ don't understand
>> functional programming. Its more than just no cost recursion , its also
>> polymorphism by *VALUE*. ...
>
>That's what I described and you didn't notice it. A function<>-object
>is always polymorphic. I bet you never used function<>-objects in C++.

Given they're necessary for the STL what do you think? 

Which part of "by value" is confusing you? But if you insist on claiming its
possible show us how you'd do polymorphism for a function with a single int 
param for say the values 0, 2, 3, 10 -> 100 and a default.

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Thread

What is visitor pattern? wij <wyniijj5@gmail.com> - 2023-08-20 06:55 -0700
  Re: What is visitor pattern? Öö Tiib <ootiib@hot.ee> - 2023-08-20 07:22 -0700
    Re: What is visitor pattern? wij <wyniijj5@gmail.com> - 2023-08-20 19:24 -0700
    Re: What is visitor pattern? wij <wyniijj5@gmail.com> - 2023-08-27 13:13 -0700
      Re: What is visitor pattern? Öö Tiib <ootiib@hot.ee> - 2023-08-28 00:13 -0700
        Re: What is visitor pattern? wij <wyniijj5@gmail.com> - 2023-08-28 23:18 -0700
  Re: What is visitor pattern? Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-08-20 14:12 -0400
    Re: What is visitor pattern? Öö Tiib <ootiib@hot.ee> - 2023-08-20 13:34 -0700
      Re: What is visitor pattern? Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-08-20 18:01 -0400
        Re: What is visitor pattern? Öö Tiib <ootiib@hot.ee> - 2023-08-20 21:12 -0700
          Re: What is visitor pattern? Muttley@dastardlyhq.com - 2023-08-21 06:53 +0000
            Re: What is visitor pattern? Öö Tiib <ootiib@hot.ee> - 2023-08-21 00:10 -0700
              Re: What is visitor pattern? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2023-08-26 21:26 -0700
                Re: What is visitor pattern? Öö Tiib <ootiib@hot.ee> - 2023-08-26 22:57 -0700
                Re: What is visitor pattern? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2023-08-28 15:07 -0700
          Re: What is visitor pattern? Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-08-21 22:55 -0400
            Re: What is visitor pattern? Öö Tiib <ootiib@hot.ee> - 2023-08-21 21:56 -0700
              Re: What is visitor pattern? Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-08-24 01:38 -0400
                Re: What is visitor pattern? Öö Tiib <ootiib@hot.ee> - 2023-08-24 04:45 -0700
                Re: What is visitor pattern? Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-08-24 23:11 -0400
                Re: What is visitor pattern? Öö Tiib <ootiib@hot.ee> - 2023-08-25 07:52 -0700
                Re: What is visitor pattern? Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-08-26 00:55 -0400
    Re: What is visitor pattern? Bonita Montero <Bonita.Montero@gmail.com> - 2023-08-21 06:18 +0200
      Re: What is visitor pattern? Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-08-21 23:28 -0400
        Re: What is visitor pattern? Bonita Montero <Bonita.Montero@gmail.com> - 2023-08-22 05:47 +0200
          Re: What is visitor pattern? Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-08-22 00:11 -0400
            Re: What is visitor pattern? Bonita Montero <Bonita.Montero@gmail.com> - 2023-08-22 14:30 +0200
              Re: What is visitor pattern? Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-08-24 01:56 -0400
                Re: What is visitor pattern? Bonita Montero <Bonita.Montero@gmail.com> - 2023-08-24 09:15 +0200
                Re: What is visitor pattern? Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-08-24 20:02 -0400
                Re: What is visitor pattern? Bonita Montero <Bonita.Montero@gmail.com> - 2023-08-25 05:13 +0200
                Re: What is visitor pattern? Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-08-26 01:05 -0400
                Re: What is visitor pattern? Bonita Montero <Bonita.Montero@gmail.com> - 2023-08-26 09:24 +0200
                Re: What is visitor pattern? Muttley@dastardlyhq.com - 2023-08-26 08:01 +0000
                Re: What is visitor pattern? Bonita Montero <Bonita.Montero@gmail.com> - 2023-08-26 11:29 +0200
                Re: What is visitor pattern? Muttley@dastardlyhq.com - 2023-08-26 15:00 +0000
                Re: What is visitor pattern? Bonita Montero <Bonita.Montero@gmail.com> - 2023-08-26 17:08 +0200
                Re: What is visitor pattern? Muttley@dastardlyhq.com - 2023-08-26 15:15 +0000
                Re: What is visitor pattern? Bonita Montero <Bonita.Montero@gmail.com> - 2023-08-26 17:24 +0200
                Re: What is visitor pattern? Muttley@dastardlyhq.com - 2023-08-26 15:36 +0000
                Re: What is visitor pattern? Bonita Montero <Bonita.Montero@gmail.com> - 2023-08-26 17:39 +0200
                Re: What is visitor pattern? Bonita Montero <Bonita.Montero@gmail.com> - 2023-08-26 17:26 +0200
                Re: What is visitor pattern? Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-08-29 21:44 -0400
                Re: What is visitor pattern? Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-08-29 22:14 -0400
                Re: What is visitor pattern? Bonita Montero <Bonita.Montero@gmail.com> - 2023-08-30 06:13 +0200
                Re: What is visitor pattern? Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-08-30 23:18 -0400
  Re: What is visitor pattern? "Alf P. Steinbach" <alf.p.steinbach@gmail.com> - 2023-08-21 01:17 +0200
    Re: What is visitor pattern? "Alf P. Steinbach" <alf.p.steinbach@gmail.com> - 2023-08-21 01:24 +0200
  Re: What is visitor pattern? Michael S <already5chosen@yahoo.com> - 2023-08-25 05:21 -0700
    Re: What is visitor pattern? Bonita Montero <Bonita.Montero@gmail.com> - 2023-08-25 14:33 +0200
    Re: What is visitor pattern? Öö Tiib <ootiib@hot.ee> - 2023-08-25 08:28 -0700
    Re: What is visitor pattern? Pavel <pauldontspamtolk@removeyourself.dontspam.yahoo> - 2023-08-26 01:17 -0400
  Re: What is visitor pattern? Bonita Montero <Bonita.Montero@gmail.com> - 2023-08-29 19:27 +0200

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