Home - News ( United States | United Kingdom | Italy | Germany ) - Football scores

Showing content from https://mail.python.org/pipermail/python-dev/2017-November/150774.html below:

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

• Previous message (by thread): [Python-Dev] Tricky way of of creating a generator via a comprehension expression
• Next message (by thread): [Python-Dev] Tricky way of of creating a generator via a comprehension expression
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Le 23/11/2017 à 13:42, Ivan Levkivskyi a écrit :
> 
> Great, so I open this page and see this code:
> 
> results = []
> for future in list_of_futures:
>     results.append(yield future)
> 
> Interesting, why don't they use a comprehension for this and instead
> need to invent a whole `tornado.gen.multi` function?

1) because it schedules the yielded coroutines in parallel (the "for"
loop isn't strictly equivalent, as AFAIU it would schedule the
coroutines serially)

2) because it accepts an optional argument to quiet some exceptions

Regards

Antoine.

• Previous message (by thread): [Python-Dev] Tricky way of of creating a generator via a comprehension expression
• Next message (by thread): [Python-Dev] Tricky way of of creating a generator via a comprehension expression
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

RetroSearch is an open source project built by @garambo | Open a GitHub Issue

Search and Browse the WWW like it's 1997 | Search results from DuckDuckGo

HTML: 3.2 | Encoding: UTF-8 | Version: 0.7.4