On Saturday, March 14, 2015 at 9:45:10 PM UTC+5:30, Chris Angelico wrote:
> On Sun, Mar 15, 2015 at 2:59 AM, Rustom Mody wrote:> > Causing all sorts of unnecessary confusions:> > An int-function returns int and a char*-functions returns char*.> > Does a void-function return void??> > No a void function doesn't return anything!> > Ah So a void function does a longjmp?> >> > All of which is to say that in retrospect we need (at least in imperative programming) procedures and functions.> >> > Best if the language supports them> > Python has a broad concept of "functions/methods that return something> interesting" and "functions/methods that always return None". (The> distinction often corresponds to non-mutator and mutator methods, but> that's just convention.)
With due respect Chris, you are confused:
Sure any effective *pythonista* (who writes useful python) will have this concept.
Python (as against pythonistas) has no such conceptĀ¹ as "function that ALWAYS
returns None"
Consider this foo
>>> def foo(x):
... if x>0: return x-1
...
>>> foo(3)
2
>>> foo(-1)>>>
As best as I can see python makes no distinction between such a foo and
the more usual function/methods that have no returns.
You can I can talk about these and distinguish them
Python has no clue about it.
----------------
Leaving aside latest type-annotation proposal.
--
https://mail.python.org/mailman/listinfo/python-list
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Rustom Mody |
Mar 12, 2015 01:35 pm |
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Chris Angelico |
Mar 12, 2015 01:55 pm |
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brea...@gmail.com |
Mar 12, 2015 01:57 pm |
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Steven DAprano |
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Rustom Mody |
Mar 13, 2015 02:23 am |
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Mar 13, 2015 03:30 am |
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Rustom Mody |
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Mar 13, 2015 08:23 am |
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Rustom Mody |
Mar 13, 2015 09:12 am |
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Marko Rauhamaa |
Mar 13, 2015 09:36 am |
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Steven DAprano |
Mar 14, 2015 06:04 am |
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Marko Rauhamaa |
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Mark Lawrence |
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Ian Kelly |
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Mar 14, 2015 08:30 am |
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Rustom Mody |
Mar 14, 2015 03:29 pm |
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Chris Angelico |
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Rustom Mody |
Mar 14, 2015 03:59 pm |
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Chris Angelico |
Mar 14, 2015 04:14 pm |
Re: generator/coroutine terminology |
Rustom Mody |
Mar 14, 2015 04:33 pm |
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Chris Angelico |
Mar 14, 2015 04:51 pm |
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Dave Angel |
Mar 14, 2015 05:07 pm |
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Rustom Mody |
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Ian Kelly |
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Steven DAprano |
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Rustom Mody |
Mar 16, 2015 02:19 pm |
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Mark Lawrence |
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Steven DAprano |
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Steven DAprano |
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Rustom Mody |
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