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To: python-list@python.org
From: Mark Lawrence <breamoreboy@yahoo.co.uk>
Subject: Re: converting boolean filter function to lambda
Date: Fri, 26 Jun 2015 02:08:42 +0100
References: <558C256D.7080903@stoneleaf.us> <CAPTjJmpuwkapSOWKXVJUEscNwVjB+qnr9WZ6AwJjjjA0KY54sQ@mail.gmail.com> <mmi57h$tjv$1@ger.gmane.org> <558CA373.2000409@stoneleaf.us>
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Xref: csiph.com comp.lang.python:93174

On 26/06/2015 01:57, Ethan Furman wrote:
> On 06/25/2015 05:09 PM, Mark Lawrence wrote:
>> On 26/06/2015 00:59, Chris Angelico wrote:
>>> On Fri, Jun 26, 2015 at 1:59 AM, Ethan Furman <ethan@stoneleaf.us>
>>> wrote:
>>>> My attempt at a lambda function fails:
>>>>
>>>> filter(lambda p: (p in c for c in contacts), main)
>>>> # ['291.792.9001', '291.792.9000']
>>>>
>>>> Besides using a lambda ;) , what have I done wrong?
>>>
>>> This looks like a job for a list comprehension!
>>>
>>> (Cue the swooping-in cape-wearing list comp, coming to save the day)
>>>
>>> ChrisA
>>>
>>
>> In exactly the same way that swooping-in cape-wearing Greg Ewing, from
>> the home of 10 man rugby, had to point out to Ethan some years back
>> what "booted into touch" meant? :)
>>
>> I've also seen Ethan refer to bowlers today, I just hope he's very
>> careful and doesn't get caught on the back foot.  Next question from
>> Ethan is?
>
> Uh, "caught on the back foot"?  I thought I was okay as long as I didn't
> slide across the line or gutter the ball.  ;)
>
> --
> ~Ethan~

I takes it you're referring to the cissies game where everybody has to 
wear a glove just to catch the ball?  And there's no seam to cut your 
hands if you get it wrong, so I guess they don't bother rubbing white 
spirit into the hands to help toughen them up? :)

-- 
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.

Mark Lawrence