Tim Peters <[EMAIL PROTECTED]> wrote: >> ... >> Incidentally, I think that lexical scoping would also deal with the >> problem >> that people often encounter in which they have to write things like >> "lambda >> x=x:" where one would think "lambda x:" would suffice. > > They _shouldn't_ encounter that at all anymore. For example, > >>>> def f(x): > ... return lambda: x+1 >>>> f(3)() > 4 > > works fine in modern Pythons.
Yes but: >>> a = [] >>> for i in range(10): ... a.append(lambda: i) ... >>> print [x() for x in a] [9, 9, 9, 9, 9, 9, 9, 9, 9, 9] This subtle semantic of lambda is quite confusing, and still forces people to use the "i=i" trick. Giovanni Bajo _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
