Re: [Python-Dev] benchmarks: Force map to a list to guarantee the calculations are performed under

2012年9月30日 16:14:29 -0700

On Mon, 1 Oct 2012 01:00:42 +0200 (CEST)
brett.cannon <[email protected]> wrote:
> http://hg.python.org/benchmarks/rev/e9f911fd9bd3
> changeset: 184:e9f911fd9bd3
> user: Brett Cannon <[email protected]>
> date: Sun Sep 30 19:00:32 2012 -0400
> summary:
> Force map to a list to guarantee the calculations are performed under
> Python 3.
[...]
> def eval_times_u(func, u):
> - return map(func, ((i,u) for i in xrange(len(list(u)))))
> + return list(imap(func, ((i,u) for i in xrange(len(list(u))))))
Ugh, can't you use a list comprehension instead? The code would be much
more idiomatic.
Regards
Antoine.
-- 
Software development and contracting: http://pro.pitrou.net
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