On Sat, Feb 23, 2008 at 8:06 AM, Guido van Rossum <guido at python.org> 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] (Side note, shouldn't we change the names for filter/map?) n
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