Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.python > #90373 > unrolled thread

why would this print 'True'?

Started byNeal Becker <ndbecker2@gmail.com>
First post2015-05-11 08:51 -0400
Last post2015-05-11 08:51 -0400
Articles 1 — 1 participant

Back to article view | Back to comp.lang.python


Contents

  why would this print 'True'? Neal Becker <ndbecker2@gmail.com> - 2015-05-11 08:51 -0400

#90373 — why would this print 'True'?

FromNeal Becker <ndbecker2@gmail.com>
Date2015-05-11 08:51 -0400
Subjectwhy would this print 'True'?
Message-ID<mailman.357.1431348710.12865.python-list@python.org>
from itertools import ifilter

if all (hasattr (b, 'test') for b in ifilter (lambda b: b < 10, [1,2,3,4])):
    print 'True'

same result using filter instead of ifilter.

hasattr (b, 'test') where b is 1, 2, 3... should all be False.  So why does 
this print True?

-- 
Those who fail to understand recursion are doomed to repeat it

[toc] | [standalone]


Back to top | Article view | comp.lang.python


csiph-web