Re: Different behaviour in list comps and generator expressions

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Date	Mon, 17 Nov 2014 18:20:00 -0800
From	Ethan Furman <ethan@stoneleaf.us>
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Subject	Re: Different behaviour in list comps and generator expressions
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On 11/17/2014 03:38 PM, Dan Stromberg wrote:
> 
> I'm inclined to say that list comprehensions and generator expressions
> should be different.  I don't really think they should be identical,
> one being eager and one being lazy.  Why let the implementation detail
> of one impact the other?

It's not the eagerness vs. laziness that's being changed, but rather what happens in a generator when something inside
the generator raises StopIteration (as opposed to the generator itself simply return'ing and thereby causing a
StopIteration to be generated).

--
~Ethan~

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Thread

Different behaviour in list comps and generator expressions Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-11-08 12:50 +1100
  Re: Different behaviour in list comps and generator expressions Roy Smith <roy@panix.com> - 2014-11-07 23:39 -0500
  Re: Different behaviour in list comps and generator expressions Wolfgang Maier <wolfgang.maier@biologie.uni-freiburg.de> - 2014-11-08 22:31 +0100
  Re: Different behaviour in list comps and generator expressions Wolfgang Maier <wolfgang.maier@biologie.uni-freiburg.de> - 2014-11-08 23:42 +0100
  Re: Different behaviour in list comps and generator expressions Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2014-11-18 10:30 +1100
    Re: Different behaviour in list comps and generator expressions Dan Stromberg <drsalists@gmail.com> - 2014-11-17 15:38 -0800
    Re: Different behaviour in list comps and generator expressions Ethan Furman <ethan@stoneleaf.us> - 2014-11-17 18:20 -0800

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