[Python-Dev] PEP-xxx: Unification of for statement and list-comp syntax

[Heiko Wundram]

Am Montag 22 Mai 2006 02:46 schrieben Sie:
> Heiko Wundram wrote:
> > 2) Just as I've replied to Terry J. Reed, if you find list comprehensions
> > easy to read, you're also bound to be able to understand what "for <expr>
> > in <expr> if <expr>:" does, at least AFAICT.
>
> I tend to write non-trivial LCs on multiple lines, e.g.
>
>    l = [foo(x)
>      for x in stuff
>        if something_about(x)]
>
> for the very reason that it makes them easier to read.

You can also do the same here (by using normal bracketing):

for <expr> in (<some>
               <non-trivial>
               <stuff>) if (<one expr> and
                            <two expr> and
                            <three expr>):
    foo(x)

--- Heiko.