[Baypiggies] lambda for newbies -- a true newbie question

[Kelly Yancey]

Stephen McInerney wrote::
> Wasn't the question "how will we do this in Python 3000 when lambda is 
> deprecated?"
> 

  Didn't we establish that lambda wasn't going away?

  Kelly

> Stephen
> 
>> From: Kelly Yancey <kelly at nttmcl.com>
>>
>> Laurence Clark wrote::
>> > On 5/11/07, David Berthelot <d_berthelot at yahoo.com> wrote: "I often
>> > use it to pass basic functions (that are so basic that keeping them
>> > unnamed is perfect) to other functions. If I have to name all those
>> > unnamed lambda functions to use them, that's going to be quite
>> > verbose, probably a bit too much."
>> >
>> >
>> > Pardon the dumb question, but surely there must be some other way in
>> >  python to put little anonymous functions into expressions?? Some way
>> > to say:
>> >
>> > my $hundreda = myaddfunction ( sub{return 99;}, 1);
>>  > my $hundredb = sub{return 99;}->() + 1;
>> >
>> > Comments anyone?
>> >
>>
>>    Perhaps I'm missing the point of your question, but your examples
>> aren't that different when expressed in python syntax...
>>
>>     myaddfunction = lambda *args: sum(args)
>>
>>     hundreda = myaddfunction((lambda: 99)() , 1)
>>     hundredb = (lambda: 99)() + 1
>>
>>    In fact they are slightly more concise than the perl equivalents.
>> The key is to use parenthesis to encapsulate the lambda expression (sort
>> of like you need brackets in perl to do the same).  Then you can call
>> the lambda expression just like any other function.
>>
>>    Kelly
>>
> 
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