Lambda?!
Mark McEahern
marklists at mceahern.com
Tue Aug 20 10:26:37 EDT 2002
> Python 2.0 (#1, Jan 19 2001, 17:54:27)
> [GCC 2.95.2 19991024 (release)] on linux2
> Type "copyright", "credits" or "license" for more information.
> >>> class foo:
> ... def bar(self, a):
> ... return "<%s>" % a
> ... def spam(self):
> ... return map(lambda rope: self.bar(rope).upper(),
> ['test', 'other test'])
> ...
> >>> f = foo()
> >>> f.spam()
> Traceback (most recent call last):
> File "<stdin>", line 1, in ?
> File "<stdin>", line 5, in spam
> File "<stdin>", line 5, in <lambda>
> NameError: There is no variable named 'self'
I added:
import sys
print sys.version
and changed the last line to:
print f.spam()
and got:
2.2.1 (#1, Jun 25 2002, 10:55:46)
[GCC 2.95.3-5 (cygwin special)]
['<TEST>', '<OTHER TEST>']
So, a more accurate subject would be:
Lambda with Python 2.0 and/or nested scopes?!
<wink>
// m
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