[Python-Dev] PEP 8: Discourage named lambdas?

Samuele Pedroni pedronis at openend.se
Sat May 3 12:35:09 CEST 2008

Nick Coghlan wrote:
> Samuele Pedroni wrote:
>> I found only an example in my personal recent code:
>> START = "<!-- *db-payload-start* -->"
>> END = "<!-- *db-payload-end* -->"
>> TITLEPATTERN = lambda s: "<title>%s</title>" % s
>> this three are later used in a very few .find() and .replace() 
>> expressions in the same module. I suppose my point is that while I 
>> agree it should be discouraged and is really silly to do it for the 
>> few chars gain, it can be used to some effect in very rare cases.
> The way that's written currently, I think I could *very* easily miss 
> the fact that TITLEPATTERN is a callable while glancing over the code 
> (and be very confused if I later saw it being called or passed as a 
> callback).

confused? maybe, "very" seems an overstatement

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