[Zope3-dev] Number of languages in Zope 3

[Chris Withers]

Guido van Rossum wrote:
> This particular example can be rewritten as a list comprehension:
> 
>   def getSnippetInfo(self):
>       return [{'title': snippet.headline(version='Brief'),
>                'tease': snippet.teaseText(maxWords=100)}
>                for snippet in self.context.values()
>                if ISnippet.isImplementedBy(x)]
> 
> which also avoids the dual looping thwt Chris asks about.

How does it do that?

Chris - learning something new every day ;-)