>>>>> "Stephen" == Stephen Thorne <[EMAIL PROTECTED]> writes:
Stephen> We've all seen it before. Its a horrible idiom that you
Stephen> would achieve in another language by doing:
Stephen> if (m = foo_pattern.search(subject))
Stephen> { }
Stephen> else
Stephen> { }
Stephen> but it occured to me today, that it is possible to do it in python
Stephen> without the extra line.
Stephen> '
Stephen> '>>> def xsearch(pattern, subject):
Stephen> '>>> yield pattern.search(subject)
Stephen> '>>> for m in xsearch(foo_pattern, subject):
Stephen> '>>> pass
Stephen> '>>> else:
Stephen> '>>> pass
Stephen> simple, concise, requires no new syntax, and is only a
Stephen> little confusing[1]!
I'm always confused by for-else (lack of practice), but isn't the else
clause going to be always executed when there is no break in the for
suite?
--
Ville Vainio http://tinyurl.com/2prnb
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