On Sat, Feb 23, 2008 at 5:59 PM, Neal Norwitz <[EMAIL PROTECTED]> wrote: > On Sat, Feb 23, 2008 at 8:06 AM, Guido van Rossum <[EMAIL PROTECTED]> wrote: > > > > I do think map() and filter() should issue a warning under -3 when the > > first arg is None. (Or does 2to3 detect this now?) > > What's wrong with filter(None, seq)? That currently works in 3k: > > >>> filter(None, range(5)) > <itertools.ifilter object at 0x2b5be60da450> > >>> [x for x in _] > [1, 2, 3, 4]
But that's a bug -- it's been spec'ed that this will stop working. (Can't remember where, perhaps PEP 3100?) > (Side note, shouldn't we change the names for filter/map?) Huh? What? Why? -- --Guido van Rossum (home page: http://www.python.org/~guido/) _______________________________________________ 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
