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Groups > comp.lang.forth > #50152

Re: Duck Typing

From Ron Aaron <rambamist@gmail.com>
Newsgroups comp.lang.forth
Subject Re: Duck Typing
Date 2016-08-15 17:42 +0300
Organization A noiseless patient Spider
Message-ID <noskcs$5bt$1@dont-email.me> (permalink)
References (7 earlier) <norequ$quc$1@dont-email.me> <2016Aug15.094929@mips.complang.tuwien.ac.at> <norvks$3t7$1@dont-email.me> <2016Aug15.115313@mips.complang.tuwien.ac.at> <nos4mk$hst$1@dont-email.me>

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On 15/08/2016 13:14, Ron Aaron wrote:

> Right.  So something like the mechanism I mentioned will work well.
> Look up the name in the "object" you're given, and dispatch if it exists.
> 
> I personally don't need that for anything I've ever written, but it
> could be useful.

I found it amusing enough to implement a sample in 8th:

http://8th-dev.com/forum/index.php/topic,1052.0.html

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3rd RfD: Quotations anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2016-07-01 16:10 +0000
  Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-01 11:21 -0700
    Re: 3rd RfD: Quotations Julian Fondren <julian.fondren@gmail.com> - 2016-07-01 11:58 -0700
      Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-01 12:53 -0700
        Re: 3rd RfD: Quotations rickman <gnuarm@gmail.com> - 2016-07-01 16:05 -0400
          Re: 3rd RfD: Quotations Cecil Bayona <cbayona@cbayona.com> - 2016-07-01 19:00 -0500
            Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-01 18:22 -0700
              Re: 3rd RfD: Quotations Cecil Bayona <cbayona@cbayona.com> - 2016-07-01 21:16 -0500
              Re: 3rd RfD: Quotations Wasell <from_usenet@wasell.eu> - 2016-07-02 13:04 +0200
                Re: 3rd RfD: Quotations Cecil Bayona <cbayona@cbayona.com> - 2016-07-02 09:39 -0500
                Re: 3rd RfD: Quotations Alex McDonald <alex@rivadpm.com> - 2016-07-02 16:33 +0100
                Re: 3rd RfD: Quotations Cecil Bayona <cbayona@cbayona.com> - 2016-07-02 11:50 -0500
                Re: 3rd RfD: Quotations Julian Fondren <julian.fondren@gmail.com> - 2016-07-02 10:45 -0700
                Re: 3rd RfD: Quotations rickman <gnuarm@gmail.com> - 2016-07-02 19:24 -0400
                Re: 3rd RfD: Quotations Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2016-07-03 11:48 +0100
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-03 07:08 -0700
                Re: 3rd RfD: Quotations rickman <gnuarm@gmail.com> - 2016-07-03 11:49 -0400
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-04 08:25 -0700
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-04 16:57 -0700
                Re: 3rd RfD: Quotations Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2016-07-05 07:40 +0100
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-05 01:38 -0700
                Re: 3rd RfD: Quotations alex@rivadpm.com - 2016-07-05 01:33 -0700
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-05 02:28 -0700
                Re: 3rd RfD: Quotations rickman <gnuarm@gmail.com> - 2016-07-05 10:06 -0400
                Re: 3rd RfD: Quotations Alex McDonald <alex@rivadpm.com> - 2016-07-05 20:57 +0100
                Re: 3rd RfD: Quotations Ron Aaron <rambamist@gmail.com> - 2016-07-06 00:12 +0300
                Re: 3rd RfD: Quotations Alex McDonald <alex@rivadpm.com> - 2016-07-05 22:45 +0100
                Re: 3rd RfD: Quotations Ron Aaron <rambamist@gmail.com> - 2016-07-06 10:50 +0300
                Re: 3rd RfD: Quotations Andrew Haley <andrew29@littlepinkcloud.invalid> - 2016-07-06 03:31 -0500
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-08 09:07 -0700
                Re: 3rd RfD: Quotations Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2016-07-04 21:08 +0100
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-04 09:10 -0700
                Re: 3rd RfD: Quotations Alex McDonald <alex@rivadpm.com> - 2016-07-02 19:24 +0100
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-02 16:19 -0700
                Re: 3rd RfD: Quotations rickman <gnuarm@gmail.com> - 2016-07-02 23:18 -0400
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-02 21:54 -0700
                Re: 3rd RfD: Quotations rickman <gnuarm@gmail.com> - 2016-07-03 03:10 -0400
                Re: 3rd RfD: Quotations Alex McDonald <alex@rivadpm.com> - 2016-07-03 09:35 +0100
                Re: 3rd RfD: Quotations rickman <gnuarm@gmail.com> - 2016-07-02 19:19 -0400
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-03 01:45 -0700
                Re: 3rd RfD: Quotations rickman <gnuarm@gmail.com> - 2016-07-03 11:52 -0400
            Re: 3rd RfD: Quotations rickman <gnuarm@gmail.com> - 2016-07-02 19:10 -0400
              Re: 3rd RfD: Quotations "Elizabeth D. Rather" <erather@forth.com> - 2016-07-02 13:27 -1000
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-02 16:54 -0700
                Re: 3rd RfD: Quotations rickman <gnuarm@gmail.com> - 2016-07-02 23:27 -0400
                Re: 3rd RfD: Quotations Bernd Paysan <bernd.paysan@gmx.de> - 2016-08-05 00:30 +0000
        Re: 3rd RfD: Quotations "HAA" <someone@microsoft.com> - 2016-07-08 21:15 +1000
          Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-08 07:39 -0700
            Re: 3rd RfD: Quotations "HAA" <someone@microsoft.com> - 2016-07-09 17:08 +1000
              Re: 3rd RfD: Quotations "Elizabeth D. Rather" <erather@forth.com> - 2016-07-08 23:22 -1000
      Re: 3rd RfD: Quotations "HAA" <someone@microsoft.com> - 2016-07-08 20:42 +1000
    Re: 3rd RfD: Quotations Alex McDonald <alex@rivadpm.com> - 2016-07-01 21:51 +0100
  Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-01 17:57 -0700
  Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-01 18:47 -0700
  Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-02 07:55 -0700
  Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-04 17:03 -0700
    Re: 3rd RfD: Quotations alex@rivadpm.com - 2016-07-05 01:38 -0700
    Re: 3rd RfD: Quotations rickman <gnuarm@gmail.com> - 2016-07-05 10:16 -0400
      Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-05 10:48 -0700
        Re: 3rd RfD: Quotations Coos Haak <chforth@hccnet.nl> - 2016-07-05 20:18 +0200
      Re: 3rd RfD: Quotations Bernd Paysan <bernd.paysan@gmx.de> - 2016-08-05 00:42 +0000
        Re: 3rd RfD: Quotations julian.fondren@endurance.com - 2016-08-04 19:44 -0700
          Re: 3rd RfD: Quotations Bernd Paysan <bernd.paysan@gmx.de> - 2016-08-20 22:08 +0000
  Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-06 21:01 -0700
    Re: 3rd RfD: Quotations "WJ" <w_a_x_man@yahoo.com> - 2016-07-07 07:54 +0000
    Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-08 08:17 -0700
      Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-08 08:41 -0700
        Re: 3rd RfD: Quotations Julian Fondren <ayrnieu@gmail.com> - 2016-07-08 10:21 -0700
    Re: 3rd RfD: Quotations JennyB <jennybrien@googlemail.com> - 2016-07-08 14:29 -0700
      Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-08 22:28 -0700
        Re: 3rd RfD: Quotations JennyB <jennybrien@googlemail.com> - 2016-07-09 03:56 -0700
          Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-09 09:51 -0700
          Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-13 01:25 -0700
            Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-13 01:56 -0700
            Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-13 02:09 -0700
            Re: 3rd RfD: Quotations "WJ" <w_a_x_man@yahoo.com> - 2016-07-13 14:04 +0000
            Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-14 00:32 -0700
              Re: 3rd RfD: Quotations Julian Fondren <julian.fondren@gmail.com> - 2016-07-14 01:25 -0700
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-16 14:52 -0700
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-16 20:25 -0700
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-18 12:46 -0700
                Re: 3rd RfD: Quotations Julian Fondren <julian.fondren@gmail.com> - 2016-07-18 14:38 -0700
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-18 16:03 -0700
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-18 17:27 -0700
              Re: 3rd RfD: Quotations JennyB <jennybrien@googlemail.com> - 2016-07-14 02:46 -0700
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-15 08:33 -0700
                Re: 3rd RfD: Quotations "WJ" <w_a_x_man@yahoo.com> - 2016-07-15 16:59 +0000
                Re: 3rd RfD: Quotations humptydumpty <ouatubi@gmail.com> - 2016-07-15 23:30 -0700
                Universal Delimiters - was Re: 3rd RfD: Quotations JennyB <jennybrien@googlemail.com> - 2016-07-16 02:42 -0700
                Re: Universal Delimiters - was Re: 3rd RfD: Quotations humptydumpty <ouatubi@gmail.com> - 2016-07-16 05:47 -0700
                Re: Universal Delimiters - was Re: 3rd RfD: Quotations Coos Haak <chforth@hccnet.nl> - 2016-07-16 15:41 +0200
                Re: Universal Delimiters - was Re: 3rd RfD: Quotations JennyB <jennybrien@googlemail.com> - 2016-07-16 07:16 -0700
                Re: Universal Delimiters - was Re: 3rd RfD: Quotations JennyB <jennybrien@googlemail.com> - 2016-07-16 07:27 -0700
                Re: Universal Delimiters - was Re: 3rd RfD: Quotations humptydumpty <ouatubi@gmail.com> - 2016-07-16 09:52 -0700
                Re: Universal Delimiters - was Re: 3rd RfD: Quotations JennyB <jennybrien@googlemail.com> - 2016-07-16 11:46 -0700
                Re: Universal Delimiters - was Re: 3rd RfD: Quotations humptydumpty <ouatubi@gmail.com> - 2016-07-17 03:11 -0700
                Re: Universal Delimiters - was Re: 3rd RfD: Quotations humptydumpty <ouatubi@gmail.com> - 2016-07-17 03:18 -0700
                Re: Universal Delimiters - was Re: 3rd RfD: Quotations humptydumpty <ouatubi@gmail.com> - 2016-07-17 03:47 -0700
                Re: Universal Delimiters - was Re: 3rd RfD: Quotations JennyB <jennybrien@googlemail.com> - 2016-07-17 05:43 -0700
                Re: Universal Delimiters - was Re: 3rd RfD: Quotations humptydumpty <ouatubi@gmail.com> - 2016-07-17 06:00 -0700
                Re: Universal Delimiters - was Re: 3rd RfD: Quotations humptydumpty <ouatubi@gmail.com> - 2016-07-17 08:32 -0700
                Re: Universal Delimiters - was Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-17 23:49 -0700
                Re: Universal Delimiters - was Re: 3rd RfD: Quotations humptydumpty <ouatubi@gmail.com> - 2016-07-18 00:39 -0700
                Re: Universal Delimiters - was Re: 3rd RfD: Quotations humptydumpty <ouatubi@gmail.com> - 2016-07-16 07:57 -0700
                Re: Universal Delimiters - was Re: 3rd RfD: Quotations Coos Haak <chforth@hccnet.nl> - 2016-07-18 12:18 +0200
                Re: Universal Delimiters - was Re: 3rd RfD: Quotations humptydumpty <ouatubi@gmail.com> - 2016-07-18 04:04 -0700
        Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-10 21:23 -0700
      Re: 3rd RfD: Quotations Lars Brinkhoff <lars.spam@nocrew.org> - 2016-07-09 14:30 +0200
        Re: 3rd RfD: Quotations mhx@iae.nl - 2016-07-09 05:51 -0700
          Re: 3rd RfD: Quotations Andrew Haley <andrew29@littlepinkcloud.invalid> - 2016-07-09 09:01 -0500
            Re: 3rd RfD: Quotations JennyB <jennybrien@googlemail.com> - 2016-07-09 07:40 -0700
              Re: 3rd RfD: Quotations Andrew Haley <andrew29@littlepinkcloud.invalid> - 2016-07-09 12:27 -0500
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-09 11:24 -0700
              Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-30 02:03 -0700
          Re: 3rd RfD: Quotations anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2016-07-09 14:36 +0000
  Re: 3rd RfD: Quotations Håkan Thörngren <hth313@gmail.com> - 2016-07-09 12:58 -0700
    Re: 3rd RfD: Quotations Julian Fondren <julian.fondren@gmail.com> - 2016-07-09 21:59 -0700
      Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-09 23:11 -0700
        Re: 3rd RfD: Quotations Julian Fondren <julian.fondren@gmail.com> - 2016-07-10 00:14 -0700
          Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-12 01:06 -0700
            Re: 3rd RfD: Quotations JennyB <jennybrien@googlemail.com> - 2016-07-12 05:31 -0700
              Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-12 09:00 -0700
                Re: 3rd RfD: Quotations JennyB <jennybrien@googlemail.com> - 2016-07-13 03:44 -0700
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-13 11:36 -0700
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-13 23:03 -0700
                Re: 3rd RfD: Quotations humptydumpty <ouatubi@gmail.com> - 2016-07-14 01:23 -0700
              Re: 3rd RfD: Quotations "Elizabeth D. Rather" <erather@forth.com> - 2016-07-12 08:57 -1000
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-12 22:53 -0700
        Re: 3rd RfD: Quotations "WJ" <w_a_x_man@yahoo.com> - 2016-07-11 01:09 +0000
          Re: 3rd RfD: Quotations Paul Rubin <no.email@nospam.invalid> - 2016-07-10 18:18 -0700
            Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-11 01:35 -0700
          Re: 3rd RfD: Quotations Julian Fondren <julian.fondren@gmail.com> - 2016-07-10 18:18 -0700
          Re: 3rd RfD: Quotations "WJ" <w_a_x_man@yahoo.com> - 2016-07-11 08:24 +0000
      Re: 3rd RfD: Quotations anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2016-07-10 06:53 +0000
        Re: 3rd RfD: Quotations Håkan Thörngren <hth313@gmail.com> - 2016-07-10 00:53 -0700
          Re: 3rd RfD: Quotations anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2016-07-10 16:57 +0000
        Re: 3rd RfD: Quotations franck.bensusan@gmail.com - 2016-07-10 02:26 -0700
          Re: 3rd RfD: Quotations JennyB <jennybrien@googlemail.com> - 2016-07-10 06:49 -0700
            Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-10 11:04 -0700
              Re: 3rd RfD: Quotations JennyB <jennybrien@googlemail.com> - 2016-07-10 12:51 -0700
                Re: 3rd RfD: Quotations franck.bensusan@gmail.com - 2016-07-10 13:21 -0700
              Re: 3rd RfD: Quotations Julian Fondren <julian.fondren@gmail.com> - 2016-07-10 13:23 -0700
  3rd RfD: Quotations anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2016-07-28 16:56 +0000
    Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-07-28 16:29 -0700
      Re: 3rd RfD: Quotations "WJ" <w_a_x_man@yahoo.com> - 2016-07-29 00:50 +0000
      Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-08-11 12:15 -0700
        Re: 3rd RfD: Quotations Julian Fondren <julian.fondren@gmail.com> - 2016-08-11 13:25 -0700
          Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-08-11 20:57 -0700
        Re: 3rd RfD: Quotations humptydumpty <ouatubi@gmail.com> - 2016-08-11 13:59 -0700
          Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-08-11 21:11 -0700
            Re: 3rd RfD: Quotations Julian Fondren <julian.fondren@gmail.com> - 2016-08-12 00:30 -0700
              Re: 3rd RfD: Quotations foxaudioresearch@gmail.com - 2016-08-13 11:33 -0700
                Re: 3rd RfD: Quotations Coos Haak <htrofhc@gmail.com> - 2016-08-13 21:22 +0200
            Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-08-12 11:05 -0700
              Re: 3rd RfD: Quotations humptydumpty <ouatubi@gmail.com> - 2016-08-13 07:27 -0700
        Re: 3rd RfD: Quotations dhoffman888@gmail.com - 2016-08-13 04:01 -0700
          Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-08-13 20:24 -0700
            Re: 3rd RfD: Quotations Doug Hoffman <glidedog@gmail.com> - 2016-08-14 08:22 -0400
              Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-08-14 07:10 -0700
                Re: 3rd RfD: Quotations Doug Hoffman <glidedog@gmail.com> - 2016-08-14 10:36 -0400
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-08-14 13:57 -0700
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-08-14 14:17 -0700
                Re: 3rd RfD: Quotations Doug Hoffman <glidedog@gmail.com> - 2016-08-14 20:12 -0400
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-08-14 18:55 -0700
                Re: 3rd RfD: Quotations Doug Hoffman <glidedog@gmail.com> - 2016-08-15 06:17 -0400
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-08-15 17:37 -0700
                Re: 3rd RfD: Quotations Doug Hoffman <glidedog@gmail.com> - 2016-08-17 06:16 -0400
                Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-08-17 19:58 -0700
                Re: 3rd RfD: Quotations Doug Hoffman <glidedog@gmail.com> - 2016-08-18 07:52 -0400
                Re: 3rd RfD: Quotations anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2016-08-18 07:50 +0000
                Re: 3rd RfD: Quotations Doug Hoffman <glidedog@gmail.com> - 2016-08-18 07:03 -0400
                Re: 3rd RfD: Quotations Ron Aaron <rambamist@gmail.com> - 2016-08-15 07:01 +0300
                Re: 3rd RfD: Quotations anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2016-08-15 07:49 +0000
                Re: 3rd RfD: Quotations Ron Aaron <rambamist@gmail.com> - 2016-08-15 11:48 +0300
                Duck Typing (was: 3rd RfD: Quotations) anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2016-08-15 09:53 +0000
                Re: Duck Typing Ron Aaron <rambamist@gmail.com> - 2016-08-15 13:14 +0300
                Re: Duck Typing Ron Aaron <rambamist@gmail.com> - 2016-08-15 17:42 +0300
                Re: 3rd RfD: Quotations anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2016-08-15 08:10 +0000
                Re: 3rd RfD: Quotations Doug Hoffman <glidedog@gmail.com> - 2016-08-15 05:47 -0400
                Re: 3rd RfD: Quotations Alex McDonald <alex@rivadpm.com> - 2016-08-15 12:10 +0100
                Re: 3rd RfD: Quotations Andrew Haley <andrew29@littlepinkcloud.invalid> - 2016-08-18 08:38 -0500
                Piumarta object model (was Re: 3rd RfD: Quotations Alex McDonald <alex@rivadpm.com> - 2016-08-19 20:44 +0100
                Re: Piumarta object model (was Re: 3rd RfD: Quotations Alex McDonald <alex@rivadpm.com> - 2016-08-19 20:58 +0100
                Re: 3rd RfD: Quotations franck.bensusan@gmail.com - 2016-08-15 07:04 -0700
              Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-08-14 07:25 -0700
          Re: 3rd RfD: Quotations hughaguilar96@gmail.com - 2016-08-14 07:19 -0700

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