Re: lambdak: multi-line lambda implementation in native Python

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Date	Sun, 18 Jan 2015 00:33:52 +1100
Subject	Re: lambdak: multi-line lambda implementation in native Python
From	Chris Angelico <rosuav@gmail.com>
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On Sat, Jan 17, 2015 at 9:49 PM, Jussi Piitulainen
<jpiitula@ling.helsinki.fi> wrote:
> I've only seen small amounts of Ruby code on the net. The only way I
> can make some sense of that is if it gets analyzed as follows, using
> parentheses for calls:
>
>  a + b => 7  # a() + b => a(4) + b => 4 + 2 + 1
>  a+b   => 7  # a() + b
>  a+ b  => 7  # a() + b
>  a +b  => 3  # a(+b)   => a(b) => a(1) = 1 + 2
>
> I'm not quite fond of such surprise in programming language syntax.

Every once in a while, someone looks at Py2's print statement and
Py3's print function and says, "why not allow function calls without
parentheses". This right here is why not. Wow. That is one nasty
surprise.

ChrisA

Thread

lambdak: multi-line lambda implementation in native Python yawar.amin@gmail.com - 2015-01-14 21:54 -0800
  Re: lambdak: multi-line lambda implementation in native Python Steven D'Aprano <steve@pearwood.info> - 2015-01-15 06:06 +0000
    Re: lambdak: multi-line lambda implementation in native Python Ian Kelly <ian.g.kelly@gmail.com> - 2015-01-14 23:39 -0700
      Re: lambdak: multi-line lambda implementation in native Python Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-16 01:29 +1100
        Re: lambdak: multi-line lambda implementation in native Python Skip Montanaro <skip.montanaro@gmail.com> - 2015-01-15 08:38 -0600
      Re: lambdak: multi-line lambda implementation in native Python Yawar Amin <yawar.amin@gmail.com> - 2015-01-15 18:07 -0800
        Re: lambdak: multi-line lambda implementation in native Python Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-16 15:17 +1100
    Re: lambdak: multi-line lambda implementation in native Python Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-01-15 17:22 +0000
  Re: lambdak: multi-line lambda implementation in native Python Roy Smith <roy@panix.com> - 2015-01-15 08:04 -0500
    Re: lambdak: multi-line lambda implementation in native Python Chris Angelico <rosuav@gmail.com> - 2015-01-16 00:09 +1100
    Re: lambdak: multi-line lambda implementation in native Python Skip Montanaro <skip.montanaro@gmail.com> - 2015-01-15 07:11 -0600
      Re: lambdak: multi-line lambda implementation in native Python Marko Rauhamaa <marko@pacujo.net> - 2015-01-15 15:24 +0200
        Re: lambdak: multi-line lambda implementation in native Python Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-16 01:24 +1100
          Re: lambdak: multi-line lambda implementation in native Python Chris Angelico <rosuav@gmail.com> - 2015-01-16 01:50 +1100
          Re: lambdak: multi-line lambda implementation in native Python Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-01-15 19:47 -0500
            Re: lambdak: multi-line lambda implementation in native Python Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2015-01-17 00:21 +1300
              Re: lambdak: multi-line lambda implementation in native Python Marko Rauhamaa <marko@pacujo.net> - 2015-01-16 14:06 +0200
                Re: lambdak: multi-line lambda implementation in native Python Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2015-01-17 10:24 +1300
                Re: lambdak: multi-line lambda implementation in native Python Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-17 21:33 +1100
                Re: lambdak: multi-line lambda implementation in native Python alister <alister.nospam.ware@ntlworld.com> - 2015-01-17 18:30 +0000
        Re: lambdak: multi-line lambda implementation in native Python Roy Smith <roy@panix.com> - 2015-01-15 20:34 -0500
          Re: lambdak: multi-line lambda implementation in native Python Michael Torrie <torriem@gmail.com> - 2015-01-15 18:44 -0700
          Re: lambdak: multi-line lambda implementation in native Python Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-01-16 02:14 +0000
          Re: lambdak: multi-line lambda implementation in native Python Chris Angelico <rosuav@gmail.com> - 2015-01-16 15:00 +1100
            Re: lambdak: multi-line lambda implementation in native Python Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2015-01-17 10:29 +1300
              Re: lambdak: multi-line lambda implementation in native Python Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-17 21:30 +1100
                Re: lambdak: multi-line lambda implementation in native Python Jussi Piitulainen <jpiitula@ling.helsinki.fi> - 2015-01-17 12:49 +0200
                Re: lambdak: multi-line lambda implementation in native Python Marko Rauhamaa <marko@pacujo.net> - 2015-01-17 13:07 +0200
                Re: lambdak: multi-line lambda implementation in native Python Jussi Piitulainen <jpiitula@ling.helsinki.fi> - 2015-01-17 13:59 +0200
                Re: lambdak: multi-line lambda implementation in native Python Marko Rauhamaa <marko@pacujo.net> - 2015-01-17 14:15 +0200
                Re: lambdak: multi-line lambda implementation in native Python Jussi Piitulainen <jpiitula@ling.helsinki.fi> - 2015-01-17 14:54 +0200
                Re: lambdak: multi-line lambda implementation in native Python Skip Montanaro <skip.montanaro@gmail.com> - 2015-01-17 06:19 -0600
                Re: lambdak: multi-line lambda implementation in native Python Jussi Piitulainen <jpiitula@ling.helsinki.fi> - 2015-01-17 15:19 +0200
                Re: lambdak: multi-line lambda implementation in native Python Roy Smith <roy@panix.com> - 2015-01-17 12:24 -0500
                Re: lambdak: multi-line lambda implementation in native Python Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2015-01-18 11:41 +1300
                Re: lambdak: multi-line lambda implementation in native Python Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-17 23:48 +1100
                Re: lambdak: multi-line lambda implementation in native Python Roy Smith <roy@panix.com> - 2015-01-17 12:20 -0500
                Re: lambdak: multi-line lambda implementation in native Python Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-18 13:45 +1100
                Re: lambdak: multi-line lambda implementation in native Python Dennis Lee Bieber <wlfraed@ix.netcom.com> - 2015-01-17 17:21 -0500
                Re: lambdak: multi-line lambda implementation in native Python Danilo Coccia <daniloco@acm.org> - 2015-01-17 15:20 +0100
                Re: lambdak: multi-line lambda implementation in native Python Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-17 23:49 +1100
                Re: lambdak: multi-line lambda implementation in native Python Chris Angelico <rosuav@gmail.com> - 2015-01-18 00:33 +1100
                Re: lambdak: multi-line lambda implementation in native Python Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2015-01-18 10:56 +1300
                Re: lambdak: multi-line lambda implementation in native Python Chris Angelico <rosuav@gmail.com> - 2015-01-18 09:04 +1100
                Re: lambdak: multi-line lambda implementation in native Python Roy Smith <roy@panix.com> - 2015-01-17 11:56 -0500
                Re: lambdak: multi-line lambda implementation in native Python Grant Edwards <invalid@invalid.invalid> - 2015-01-17 18:51 +0000
                Re: lambdak: multi-line lambda implementation in native Python Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2015-01-18 10:48 +1300
              Re: lambdak: multi-line lambda implementation in native Python Grant Edwards <invalid@invalid.invalid> - 2015-01-17 18:44 +0000
                Re: lambdak: multi-line lambda implementation in native Python Dan Sommers <dan@tombstonezero.net> - 2015-01-17 19:08 +0000
                Re: lambdak: multi-line lambda implementation in native Python alister <alister.nospam.ware@ntlworld.com> - 2015-01-17 20:22 +0000
          Factories and Builders [was Re: lambdak...] Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-16 16:08 +1100
            Re: Factories and Builders [was Re: lambdak...] Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2015-01-17 10:25 +1300
          Re: lambdak: multi-line lambda implementation in native Python Ian Kelly <ian.g.kelly@gmail.com> - 2015-01-15 22:29 -0700
          Re: lambdak: multi-line lambda implementation in native Python Ethan Furman <ethan@stoneleaf.us> - 2015-01-15 21:42 -0800
          Re: lambdak: multi-line lambda implementation in native Python Michael Torrie <torriem@gmail.com> - 2015-01-16 09:23 -0700
  Re: lambdak: multi-line lambda implementation in native Python Rustom Mody <rustompmody@gmail.com> - 2015-01-15 09:19 -0800
    Re: lambdak: multi-line lambda implementation in native Python Yawar Amin <yawar.amin@gmail.com> - 2015-01-15 18:18 -0800
      Re: lambdak: multi-line lambda implementation in native Python Rustom Mody <rustompmody@gmail.com> - 2015-01-15 18:48 -0800
        Re: lambdak: multi-line lambda implementation in native Python Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-01-16 03:02 +0000
          Re: lambdak: multi-line lambda implementation in native Python Rustom Mody <rustompmody@gmail.com> - 2015-01-15 19:14 -0800
        Re: lambdak: multi-line lambda implementation in native Python Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-16 15:16 +1100
          Re: lambdak: multi-line lambda implementation in native Python Rustom Mody <rustompmody@gmail.com> - 2015-01-15 20:58 -0800
  Re: lambdak: multi-line lambda implementation in native Python Rick Johnson <rantingrickjohnson@gmail.com> - 2015-01-15 19:06 -0800
    Re: lambdak: multi-line lambda implementation in native Python Yawar Amin <yawar.amin@gmail.com> - 2015-01-15 19:20 -0800

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