[Python-Dev] Tricky way of of creating a generator via a comprehension expression

Ivan Levkivskyi levkivskyi at gmail.com
Wed Nov 22 11:47:38 EST 2017

On 22 November 2017 at 17:43, Paul Moore <p.f.moore at gmail.com> wrote:

> On 22 November 2017 at 16:30, Ivan Levkivskyi <levkivskyi at gmail.com>
> wrote:
> > On 22 November 2017 at 17:24, Antoine Pitrou <solipsis at pitrou.net>
> wrote:
> >> Given a comprehension (e.g. list comprehension) is expected to work
> >> nominally as `constructor(generator expression)`
> >
> > As Yury just explained, these two are not equivalent if there is an
> `await`
> > in the comprehension/generator expression.
> As Antoine said, people *expect* them to work the same.

The difference is that a generator expression can be used independently,
one can assign it to a variable etc. not necessary to wrap it into a list()
Anyway, can you propose an equivalent "defining" code for both? Otherwise
it is not clear what you are defending.

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