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Re: Alternative to multi-line lambdas: Assign-anywhere def statements

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On 01/24/2015 11:55 AM, Chris Angelico wrote:
> On Sun, Jan 25, 2015 at 5:56 AM, Ethan Furman <ethan@stoneleaf.us> wrote:
>> If the non-generic is what you're concerned about:
>>
>> # not tested
>> dispatch_table_a = {}
>> dispatch_table_b = {}
>> dispatch_table_c = {}
>>
>> class dispatch:
>>   def __init__(self, dispatch_table):
>>     self.dispatch = dispatch_table
>>   def __call__(self, func):
>>     self.dispatch[func.__name__] = func
>>     return func
>>
>> @dispatch(dispatch_table_a)
>> def foo(...):
>>    pass
> 
> That's still only able to assign to a key of a dictionary, using the
> function name. 

This is a Good Thing.  The def statement populates a few items, __name__ being one of them.  One of the reasons lambda
is not encouraged is because its name is always '<lambda>', which just ain't helpful when the smelly becomes air borne!  ;)

--
~Ethan~

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Re: Alternative to multi-line lambdas: Assign-anywhere def statements Ethan Furman <ethan@stoneleaf.us> - 2015-01-24 17:58 -0800
  Re: Alternative to multi-line lambdas: Assign-anywhere def statements Yawar Amin <yawar.amin@gmail.com> - 2015-01-24 18:30 -0800
    Re: Alternative to multi-line lambdas: Assign-anywhere def statements Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-25 15:27 +1100
      Re: Alternative to multi-line lambdas: Assign-anywhere def statements Yawar Amin <yawar.amin@gmail.com> - 2015-01-25 17:26 -0800
        Re: Alternative to multi-line lambdas: Assign-anywhere def statements Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-01-26 13:46 +1100
  Re: Alternative to multi-line lambdas: Assign-anywhere def statements albert@spenarnc.xs4all.nl (Albert van der Horst) - 2015-02-11 13:04 +0000
    Re: Alternative to multi-line lambdas: Assign-anywhere def statements Clarence <clarence1126@gmail.com> - 2015-02-11 06:28 -0800
    Re: Alternative to multi-line lambdas: Assign-anywhere def statements Ethan Furman <ethan@stoneleaf.us> - 2015-02-11 08:52 -0800
    Re: Alternative to multi-line lambdas: Assign-anywhere def statements Terry Reedy <tjreedy@udel.edu> - 2015-02-11 21:06 -0500
    Re: Alternative to multi-line lambdas: Assign-anywhere def statements Ian Kelly <ian.g.kelly@gmail.com> - 2015-02-11 19:57 -0700
    Re: Alternative to multi-line lambdas: Assign-anywhere def statements Chris Angelico <rosuav@gmail.com> - 2015-02-12 14:56 +1100
    Re: Alternative to multi-line lambdas: Assign-anywhere def statements Ian Kelly <ian.g.kelly@gmail.com> - 2015-02-12 09:17 -0700

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