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Re: List of Functions

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Dan Sommers <dan@tombstonezero.net>:

> On Mon, 28 Mar 2016 11:58:54 +0300, Marko Rauhamaa wrote:
>
>> As for Python, I don't feel a great need for anonymous functions.
>> However, I keep running into a need for anonymous classes, or,
>> rather, classless objects. Not a biggie. I just create a one-off
>> inner class and instantiate it, but I do appreciate Java's syntactic
>> innovation.
>
> And I always curse Java for having to create an inner class and a
> method when all I need is a simple function. :-)
>
> I think it's Steven D'Aprano who keeps pointing out that you can
> always name your tiny helper functions instead of using lambda:
>
>     def some_complex_function():
>         def f(x) = x + 2
>         some_library_that_wants_a_callback(f)
>         some_library_that_wants_a_callback(lambda x: x + 2)
>
> Both calls to some_library_that_wants_a_callback run the same.

Yes, but I've come to realize that I quite often need more than a
function: I need an object with behavior. The solution is to use a
"helper" class.


Marko

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Thread

List of Functions Richard Riehle <rriehle@itu.edu> - 2016-03-27 12:38 -0700
  Re: List of Functions Erik <python@lucidity.plus.com> - 2016-03-28 00:10 +0100
  Re: List of Functions Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-03-28 01:19 +0100
    Re: List of Functions Jussi Piitulainen <jussi.piitulainen@helsinki.fi> - 2016-03-28 10:51 +0300
      Re: List of Functions Marko Rauhamaa <marko@pacujo.net> - 2016-03-28 11:58 +0300
        Re: List of Functions Dan Sommers <dan@tombstonezero.net> - 2016-03-28 12:39 +0000
          Re: List of Functions Marko Rauhamaa <marko@pacujo.net> - 2016-03-28 16:40 +0300
            Re: List of Functions Chris Angelico <rosuav@gmail.com> - 2016-03-29 08:40 +1100
              Re: List of Functions Steven D'Aprano <steve@pearwood.info> - 2016-03-29 09:52 +1100
                Re: List of Functions Chris Angelico <rosuav@gmail.com> - 2016-03-29 10:40 +1100
                Re: List of Functions Marko Rauhamaa <marko@pacujo.net> - 2016-03-29 07:49 +0300
              Re: List of Functions Marko Rauhamaa <marko@pacujo.net> - 2016-03-29 07:45 +0300
                Re: List of Functions Chris Angelico <rosuav@gmail.com> - 2016-03-29 16:00 +1100
      Re: List of Functions Steven D'Aprano <steve@pearwood.info> - 2016-03-29 10:40 +1100
        Re: List of Functions Random832 <random832@fastmail.com> - 2016-03-28 19:50 -0400
        Re: List of Functions Chris Angelico <rosuav@gmail.com> - 2016-03-29 10:54 +1100
        Re: List of Functions Rustom Mody <rustompmody@gmail.com> - 2016-03-28 19:23 -0700
        Re: List of Functions Ben Bacarisse <ben.usenet@bsb.me.uk> - 2016-03-29 03:45 +0100
          Re: List of Functions Chris Angelico <rosuav@gmail.com> - 2016-03-29 14:33 +1100
          Re: List of Functions Rustom Mody <rustompmody@gmail.com> - 2016-03-28 23:21 -0700
            Re: List of Functions Marko Rauhamaa <marko@pacujo.net> - 2016-03-29 09:50 +0300
            Re: List of Functions Christian Gollwitzer <auriocus@gmx.de> - 2016-03-29 08:52 +0200

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